diff --git a/drivers/atm/he.c b/drivers/atm/he.c
index ffcb9fd31c38fbdd7a1efbb2b52eb6f7e5d2c116..41e052fecd7fdfe60f4f571ee2e13ae439c3ad39 100644
--- a/drivers/atm/he.c
+++ b/drivers/atm/he.c
@@ -1912,7 +1912,7 @@ he_service_rbrq(struct he_dev *he_dev, int group)
skb->tail = skb->data + skb->len;
#ifdef USE_CHECKSUM_HW
if (vcc->vpi == 0 && vcc->vci >= ATM_NOT_RSV_VCI) {
- skb->ip_summed = CHECKSUM_HW;
+ skb->ip_summed = CHECKSUM_COMPLETE;
skb->csum = TCP_CKSUM(skb->data,
he_vcc->pdu_len);
}
diff --git a/drivers/net/3c59x.c b/drivers/net/3c59x.c
index 80e8ca013e448a96e54af66220810e80b3c794fb..29dede2eaa850d3d1f7fca430697b8a65c844498 100644
--- a/drivers/net/3c59x.c
+++ b/drivers/net/3c59x.c
@@ -2077,7 +2077,7 @@ boomerang_start_xmit(struct sk_buff *skb, struct net_device *dev)
vp->tx_ring[entry].next = 0;
#if DO_ZEROCOPY
- if (skb->ip_summed != CHECKSUM_HW)
+ if (skb->ip_summed != CHECKSUM_PARTIAL)
vp->tx_ring[entry].status = cpu_to_le32(skb->len | TxIntrUploaded);
else
vp->tx_ring[entry].status = cpu_to_le32(skb->len | TxIntrUploaded | AddTCPChksum | AddUDPChksum);
diff --git a/drivers/net/8139cp.c b/drivers/net/8139cp.c
index 1428bb7715afd16a04fb6132cd560b420636d111..a48b211c489dfe947b1683af9d0cde36e2bb0846 100644
--- a/drivers/net/8139cp.c
+++ b/drivers/net/8139cp.c
@@ -813,7 +813,7 @@ static int cp_start_xmit (struct sk_buff *skb, struct net_device *dev)
if (mss)
flags |= LargeSend | ((mss & MSSMask) << MSSShift);
- else if (skb->ip_summed == CHECKSUM_HW) {
+ else if (skb->ip_summed == CHECKSUM_PARTIAL) {
const struct iphdr *ip = skb->nh.iph;
if (ip->protocol == IPPROTO_TCP)
flags |= IPCS | TCPCS;
@@ -867,7 +867,7 @@ static int cp_start_xmit (struct sk_buff *skb, struct net_device *dev)
if (mss)
ctrl |= LargeSend |
((mss & MSSMask) << MSSShift);
- else if (skb->ip_summed == CHECKSUM_HW) {
+ else if (skb->ip_summed == CHECKSUM_PARTIAL) {
if (ip->protocol == IPPROTO_TCP)
ctrl |= IPCS | TCPCS;
else if (ip->protocol == IPPROTO_UDP)
@@ -898,7 +898,7 @@ static int cp_start_xmit (struct sk_buff *skb, struct net_device *dev)
txd->addr = cpu_to_le64(first_mapping);
wmb();
- if (skb->ip_summed == CHECKSUM_HW) {
+ if (skb->ip_summed == CHECKSUM_PARTIAL) {
if (ip->protocol == IPPROTO_TCP)
txd->opts1 = cpu_to_le32(first_eor | first_len |
FirstFrag | DescOwn |
diff --git a/drivers/net/acenic.c b/drivers/net/acenic.c
index 1c01e9b3d07c88cd2856232d268736ac77d87adc..826548644d7b13779dda4a67a9809e13d972d843 100644
--- a/drivers/net/acenic.c
+++ b/drivers/net/acenic.c
@@ -2040,7 +2040,7 @@ static void ace_rx_int(struct net_device *dev, u32 rxretprd, u32 rxretcsm)
*/
if (bd_flags & BD_FLG_TCP_UDP_SUM) {
skb->csum = htons(csum);
- skb->ip_summed = CHECKSUM_HW;
+ skb->ip_summed = CHECKSUM_COMPLETE;
} else {
skb->ip_summed = CHECKSUM_NONE;
}
@@ -2511,7 +2511,7 @@ static int ace_start_xmit(struct sk_buff *skb, struct net_device *dev)
mapping = ace_map_tx_skb(ap, skb, skb, idx);
flagsize = (skb->len << 16) | (BD_FLG_END);
- if (skb->ip_summed == CHECKSUM_HW)
+ if (skb->ip_summed == CHECKSUM_PARTIAL)
flagsize |= BD_FLG_TCP_UDP_SUM;
#if ACENIC_DO_VLAN
if (vlan_tx_tag_present(skb)) {
@@ -2534,7 +2534,7 @@ static int ace_start_xmit(struct sk_buff *skb, struct net_device *dev)
mapping = ace_map_tx_skb(ap, skb, NULL, idx);
flagsize = (skb_headlen(skb) << 16);
- if (skb->ip_summed == CHECKSUM_HW)
+ if (skb->ip_summed == CHECKSUM_PARTIAL)
flagsize |= BD_FLG_TCP_UDP_SUM;
#if ACENIC_DO_VLAN
if (vlan_tx_tag_present(skb)) {
@@ -2560,7 +2560,7 @@ static int ace_start_xmit(struct sk_buff *skb, struct net_device *dev)
PCI_DMA_TODEVICE);
flagsize = (frag->size << 16);
- if (skb->ip_summed == CHECKSUM_HW)
+ if (skb->ip_summed == CHECKSUM_PARTIAL)
flagsize |= BD_FLG_TCP_UDP_SUM;
idx = (idx + 1) % ACE_TX_RING_ENTRIES(ap);
diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index 652eb05a6c2df6c7e406eef8ecbfa82cfcb03564..7857b463012447c404eb256206921427cc20d56c 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -4423,7 +4423,7 @@ bnx2_start_xmit(struct sk_buff *skb, struct net_device *dev)
ring_prod = TX_RING_IDX(prod);
vlan_tag_flags = 0;
- if (skb->ip_summed == CHECKSUM_HW) {
+ if (skb->ip_summed == CHECKSUM_PARTIAL) {
vlan_tag_flags |= TX_BD_FLAGS_TCP_UDP_CKSUM;
}
diff --git a/drivers/net/cassini.c b/drivers/net/cassini.c
index a31544ccb3c494aed1e63cd01335aca8d2926583..558fdb8ad2dc248a2250d4f61cd8ccf879989920 100644
--- a/drivers/net/cassini.c
+++ b/drivers/net/cassini.c
@@ -2167,7 +2167,7 @@ static int cas_rx_process_pkt(struct cas *cp, struct cas_rx_comp *rxc,
cas_page_unmap(addr);
}
skb->csum = ntohs(i ^ 0xffff);
- skb->ip_summed = CHECKSUM_HW;
+ skb->ip_summed = CHECKSUM_COMPLETE;
skb->protocol = eth_type_trans(skb, cp->dev);
return len;
}
@@ -2821,7 +2821,7 @@ static inline int cas_xmit_tx_ringN(struct cas *cp, int ring,
}
ctrl = 0;
- if (skb->ip_summed == CHECKSUM_HW) {
+ if (skb->ip_summed == CHECKSUM_PARTIAL) {
u64 csum_start_off, csum_stuff_off;
csum_start_off = (u64) (skb->h.raw - skb->data);
diff --git a/drivers/net/chelsio/sge.c b/drivers/net/chelsio/sge.c
index 61b3754f50ff6645a16b7f8352dcb57b699b1dcc..ddd0bdb498f4f4f7dcf1bbd62c614dd21756f6e7 100644
--- a/drivers/net/chelsio/sge.c
+++ b/drivers/net/chelsio/sge.c
@@ -1470,9 +1470,9 @@ int t1_start_xmit(struct sk_buff *skb, struct net_device *dev)
}
if (!(adapter->flags & UDP_CSUM_CAPABLE) &&
- skb->ip_summed == CHECKSUM_HW &&
+ skb->ip_summed == CHECKSUM_PARTIAL &&
skb->nh.iph->protocol == IPPROTO_UDP)
- if (unlikely(skb_checksum_help(skb, 0))) {
+ if (unlikely(skb_checksum_help(skb))) {
dev_kfree_skb_any(skb);
return NETDEV_TX_OK;
}
@@ -1495,11 +1495,11 @@ int t1_start_xmit(struct sk_buff *skb, struct net_device *dev)
cpl = (struct cpl_tx_pkt *)__skb_push(skb, sizeof(*cpl));
cpl->opcode = CPL_TX_PKT;
cpl->ip_csum_dis = 1; /* SW calculates IP csum */
- cpl->l4_csum_dis = skb->ip_summed == CHECKSUM_HW ? 0 : 1;
+ cpl->l4_csum_dis = skb->ip_summed == CHECKSUM_PARTIAL ? 0 : 1;
/* the length field isn't used so don't bother setting it */
- st->tx_cso += (skb->ip_summed == CHECKSUM_HW);
- sge->stats.tx_do_cksum += (skb->ip_summed == CHECKSUM_HW);
+ st->tx_cso += (skb->ip_summed == CHECKSUM_PARTIAL);
+ sge->stats.tx_do_cksum += (skb->ip_summed == CHECKSUM_PARTIAL);
sge->stats.tx_reg_pkts++;
}
cpl->iff = dev->if_port;
diff --git a/drivers/net/dl2k.c b/drivers/net/dl2k.c
index 402961e68c89fca4223fc07503274367668c9117..b74e67654764f22d374c802ca51838ab6e749e1b 100644
--- a/drivers/net/dl2k.c
+++ b/drivers/net/dl2k.c
@@ -611,7 +611,7 @@ start_xmit (struct sk_buff *skb, struct net_device *dev)
txdesc = &np->tx_ring[entry];
#if 0
- if (skb->ip_summed == CHECKSUM_HW) {
+ if (skb->ip_summed == CHECKSUM_PARTIAL) {
txdesc->status |=
cpu_to_le64 (TCPChecksumEnable | UDPChecksumEnable |
IPChecksumEnable);
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index 98ef9f85482f0b15578e0ee08c9ced8b5b90ccfa..2ab9f96f5dab899274a1bfb024f5094a7f5c9879 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -2600,7 +2600,7 @@ e1000_tx_csum(struct e1000_adapter *adapter, struct e1000_tx_ring *tx_ring,
unsigned int i;
uint8_t css;
- if (likely(skb->ip_summed == CHECKSUM_HW)) {
+ if (likely(skb->ip_summed == CHECKSUM_PARTIAL)) {
css = skb->h.raw - skb->data;
i = tx_ring->next_to_use;
@@ -2927,11 +2927,11 @@ e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
}
/* reserve a descriptor for the offload context */
- if ((mss) || (skb->ip_summed == CHECKSUM_HW))
+ if ((mss) || (skb->ip_summed == CHECKSUM_PARTIAL))
count++;
count++;
#else
- if (skb->ip_summed == CHECKSUM_HW)
+ if (skb->ip_summed == CHECKSUM_PARTIAL)
count++;
#endif
@@ -3608,7 +3608,7 @@ e1000_rx_checksum(struct e1000_adapter *adapter,
*/
csum = ntohl(csum ^ 0xFFFF);
skb->csum = csum;
- skb->ip_summed = CHECKSUM_HW;
+ skb->ip_summed = CHECKSUM_COMPLETE;
}
adapter->hw_csum_good++;
}
diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c
index 11b8f1b43dd5994a255c1b6613d0cfa868a4bdeb..32cacf115f754f0c500432363d930c01ceb39ebd 100644
--- a/drivers/net/forcedeth.c
+++ b/drivers/net/forcedeth.c
@@ -1503,7 +1503,8 @@ static int nv_start_xmit(struct sk_buff *skb, struct net_device *dev)
tx_flags_extra = NV_TX2_TSO | (skb_shinfo(skb)->gso_size << NV_TX2_TSO_SHIFT);
else
#endif
- tx_flags_extra = (skb->ip_summed == CHECKSUM_HW ? (NV_TX2_CHECKSUM_L3|NV_TX2_CHECKSUM_L4) : 0);
+ tx_flags_extra = skb->ip_summed == CHECKSUM_PARTIAL ?
+ NV_TX2_CHECKSUM_L3 | NV_TX2_CHECKSUM_L4 : 0;
/* vlan tag */
if (np->vlangrp && vlan_tx_tag_present(skb)) {
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index ebbbd6ca6204e28ba605cd980d8b6d5e1a408047..ba960913c034f08d8485235b1de3ccb1b04bf187 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -947,7 +947,7 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
/* Set up checksumming */
if (likely((dev->features & NETIF_F_IP_CSUM)
- && (CHECKSUM_HW == skb->ip_summed))) {
+ && (CHECKSUM_PARTIAL == skb->ip_summed))) {
fcb = gfar_add_fcb(skb, txbdp);
status |= TXBD_TOE;
gfar_tx_checksum(skb, fcb);
diff --git a/drivers/net/hamachi.c b/drivers/net/hamachi.c
index 409c6aab0411c510431ce16d562eeb02943d62bb..763373ae966601c3dbaacb4d74f4e9deb5922de9 100644
--- a/drivers/net/hamachi.c
+++ b/drivers/net/hamachi.c
@@ -1648,7 +1648,7 @@ static int hamachi_rx(struct net_device *dev)
* could do the pseudo myself and return
* CHECKSUM_UNNECESSARY
*/
- skb->ip_summed = CHECKSUM_HW;
+ skb->ip_summed = CHECKSUM_COMPLETE;
}
}
}
diff --git a/drivers/net/ibm_emac/ibm_emac_core.c b/drivers/net/ibm_emac/ibm_emac_core.c
index 82468e2dc7991dfc386ccae6d96ccfba8aa36f65..57e214d85e9ac4cd5601fd686888ce489da91c98 100644
--- a/drivers/net/ibm_emac/ibm_emac_core.c
+++ b/drivers/net/ibm_emac/ibm_emac_core.c
@@ -1036,7 +1036,7 @@ static inline u16 emac_tx_csum(struct ocp_enet_private *dev,
struct sk_buff *skb)
{
#if defined(CONFIG_IBM_EMAC_TAH)
- if (skb->ip_summed == CHECKSUM_HW) {
+ if (skb->ip_summed == CHECKSUM_PARTIAL) {
++dev->stats.tx_packets_csum;
return EMAC_TX_CTRL_TAH_CSUM;
}
diff --git a/drivers/net/ioc3-eth.c b/drivers/net/ioc3-eth.c
index 68d8af7df08e31fe6e1bee61f7c495782ceba1ec..65f897ddb9205ce83ec443a2f56b1b0344dff2e3 100644
--- a/drivers/net/ioc3-eth.c
+++ b/drivers/net/ioc3-eth.c
@@ -1387,7 +1387,7 @@ static int ioc3_start_xmit(struct sk_buff *skb, struct net_device *dev)
* MAC header which should not be summed and the TCP/UDP pseudo headers
* manually.
*/
- if (skb->ip_summed == CHECKSUM_HW) {
+ if (skb->ip_summed == CHECKSUM_PARTIAL) {
int proto = ntohs(skb->nh.iph->protocol);
unsigned int csoff;
struct iphdr *ih = skb->nh.iph;
diff --git a/drivers/net/ixgb/ixgb_main.c b/drivers/net/ixgb/ixgb_main.c
index 7bbd447289b58df7906c396d6948701770ff2c6e..9405b44f321485913df35f118b26a31b15f6e154 100644
--- a/drivers/net/ixgb/ixgb_main.c
+++ b/drivers/net/ixgb/ixgb_main.c
@@ -1232,7 +1232,7 @@ ixgb_tx_csum(struct ixgb_adapter *adapter, struct sk_buff *skb)
unsigned int i;
uint8_t css, cso;
- if(likely(skb->ip_summed == CHECKSUM_HW)) {
+ if(likely(skb->ip_summed == CHECKSUM_PARTIAL)) {
css = skb->h.raw - skb->data;
cso = (skb->h.raw + skb->csum) - skb->data;
diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c
index eeab1df5bef3fba416adb963ce557db02f2ba734..38df58fdb358e8d7719fb2b577c6ccb91cf1a7c3 100644
--- a/drivers/net/mv643xx_eth.c
+++ b/drivers/net/mv643xx_eth.c
@@ -1147,7 +1147,7 @@ static void eth_tx_submit_descs_for_skb(struct mv643xx_private *mp,
desc->byte_cnt = length;
desc->buf_ptr = dma_map_single(NULL, skb->data, length, DMA_TO_DEVICE);
- if (skb->ip_summed == CHECKSUM_HW) {
+ if (skb->ip_summed == CHECKSUM_PARTIAL) {
BUG_ON(skb->protocol != ETH_P_IP);
cmd_sts |= ETH_GEN_TCP_UDP_CHECKSUM |
diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c
index 9bdd43ab3573afb5981b456d9a50b0a7a7c6ce73..9f16681d0e7ee7c3b2a00bde3e4fb14542c8554b 100644
--- a/drivers/net/myri10ge/myri10ge.c
+++ b/drivers/net/myri10ge/myri10ge.c
@@ -930,7 +930,7 @@ static inline void myri10ge_vlan_ip_csum(struct sk_buff *skb, u16 hw_csum)
(vh->h_vlan_encapsulated_proto == htons(ETH_P_IP) ||
vh->h_vlan_encapsulated_proto == htons(ETH_P_IPV6))) {
skb->csum = hw_csum;
- skb->ip_summed = CHECKSUM_HW;
+ skb->ip_summed = CHECKSUM_COMPLETE;
}
}
@@ -973,7 +973,7 @@ myri10ge_rx_done(struct myri10ge_priv *mgp, struct myri10ge_rx_buf *rx,
if ((skb->protocol == ntohs(ETH_P_IP)) ||
(skb->protocol == ntohs(ETH_P_IPV6))) {
skb->csum = ntohs((u16) csum);
- skb->ip_summed = CHECKSUM_HW;
+ skb->ip_summed = CHECKSUM_COMPLETE;
} else
myri10ge_vlan_ip_csum(skb, ntohs((u16) csum));
}
@@ -1897,13 +1897,13 @@ static int myri10ge_xmit(struct sk_buff *skb, struct net_device *dev)
pseudo_hdr_offset = 0;
odd_flag = 0;
flags = (MXGEFW_FLAGS_NO_TSO | MXGEFW_FLAGS_FIRST);
- if (likely(skb->ip_summed == CHECKSUM_HW)) {
+ if (likely(skb->ip_summed == CHECKSUM_PARTIAL)) {
cksum_offset = (skb->h.raw - skb->data);
pseudo_hdr_offset = (skb->h.raw + skb->csum) - skb->data;
/* If the headers are excessively large, then we must
* fall back to a software checksum */
if (unlikely(cksum_offset > 255 || pseudo_hdr_offset > 127)) {
- if (skb_checksum_help(skb, 0))
+ if (skb_checksum_help(skb))
goto drop;
cksum_offset = 0;
pseudo_hdr_offset = 0;
diff --git a/drivers/net/ns83820.c b/drivers/net/ns83820.c
index 0e76859c90a2af03b3c967b4bf1bd1061b34d236..5143f5dbb2e53e34f52a83a0a08d9bad57dbb566 100644
--- a/drivers/net/ns83820.c
+++ b/drivers/net/ns83820.c
@@ -1153,7 +1153,7 @@ static int ns83820_hard_start_xmit(struct sk_buff *skb, struct net_device *ndev)
if (!nr_frags)
frag = NULL;
extsts = 0;
- if (skb->ip_summed == CHECKSUM_HW) {
+ if (skb->ip_summed == CHECKSUM_PARTIAL) {
extsts |= EXTSTS_IPPKT;
if (IPPROTO_TCP == skb->nh.iph->protocol)
extsts |= EXTSTS_TCPPKT;
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index 4c2f575faad709db506ce5c250ab81eefacd2e79..d9b960aa9b0dbfaa44298288335d6e73b8ab2c32 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -2169,7 +2169,7 @@ static inline u32 rtl8169_tso_csum(struct sk_buff *skb, struct net_device *dev)
if (mss)
return LargeSend | ((mss & MSSMask) << MSSShift);
}
- if (skb->ip_summed == CHECKSUM_HW) {
+ if (skb->ip_summed == CHECKSUM_PARTIAL) {
const struct iphdr *ip = skb->nh.iph;
if (ip->protocol == IPPROTO_TCP)
diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c
index e72e0e099060f6386f22e3800dfdef76aa326e1e..5b3713f622d7229915ba5425e254232bebb9be25 100644
--- a/drivers/net/s2io.c
+++ b/drivers/net/s2io.c
@@ -3893,7 +3893,7 @@ static int s2io_xmit(struct sk_buff *skb, struct net_device *dev)
txdp->Control_1 |= TXD_TCP_LSO_MSS(s2io_tcp_mss(skb));
}
#endif
- if (skb->ip_summed == CHECKSUM_HW) {
+ if (skb->ip_summed == CHECKSUM_PARTIAL) {
txdp->Control_2 |=
(TXD_TX_CKO_IPV4_EN | TXD_TX_CKO_TCP_EN |
TXD_TX_CKO_UDP_EN);
diff --git a/drivers/net/sk98lin/skge.c b/drivers/net/sk98lin/skge.c
index ee62845d3ac9d9140eea0e2a8c0e801ce75a9682..eb3b35180c2fabbc669c614dd9ad2d4751758c6f 100644
--- a/drivers/net/sk98lin/skge.c
+++ b/drivers/net/sk98lin/skge.c
@@ -1559,7 +1559,7 @@ struct sk_buff *pMessage) /* pointer to send-message */
pTxd->VDataHigh = (SK_U32) (PhysAddr >> 32);
pTxd->pMBuf = pMessage;
- if (pMessage->ip_summed == CHECKSUM_HW) {
+ if (pMessage->ip_summed == CHECKSUM_PARTIAL) {
u16 hdrlen = pMessage->h.raw - pMessage->data;
u16 offset = hdrlen + pMessage->csum;
@@ -1678,7 +1678,7 @@ struct sk_buff *pMessage) /* pointer to send-message */
/*
** Does the HW need to evaluate checksum for TCP or UDP packets?
*/
- if (pMessage->ip_summed == CHECKSUM_HW) {
+ if (pMessage->ip_summed == CHECKSUM_PARTIAL) {
u16 hdrlen = pMessage->h.raw - pMessage->data;
u16 offset = hdrlen + pMessage->csum;
@@ -2158,7 +2158,7 @@ SK_U64 PhysAddr;
#ifdef USE_SK_RX_CHECKSUM
pMsg->csum = pRxd->TcpSums & 0xffff;
- pMsg->ip_summed = CHECKSUM_HW;
+ pMsg->ip_summed = CHECKSUM_COMPLETE;
#else
pMsg->ip_summed = CHECKSUM_NONE;
#endif
diff --git a/drivers/net/skge.c b/drivers/net/skge.c
index ad878dfddef461395ce80c00bad17df9a34a1733..b3d6fa3d6df4b54d0b85fa3c33759600aa347921 100644
--- a/drivers/net/skge.c
+++ b/drivers/net/skge.c
@@ -2338,7 +2338,7 @@ static int skge_xmit_frame(struct sk_buff *skb, struct net_device *dev)
td->dma_lo = map;
td->dma_hi = map >> 32;
- if (skb->ip_summed == CHECKSUM_HW) {
+ if (skb->ip_summed == CHECKSUM_PARTIAL) {
int offset = skb->h.raw - skb->data;
/* This seems backwards, but it is what the sk98lin
@@ -2642,7 +2642,7 @@ static inline struct sk_buff *skge_rx_get(struct skge_port *skge,
skb->dev = skge->netdev;
if (skge->rx_csum) {
skb->csum = csum;
- skb->ip_summed = CHECKSUM_HW;
+ skb->ip_summed = CHECKSUM_COMPLETE;
}
skb->protocol = eth_type_trans(skb, skge->netdev);
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index 933e87f1cc687dc6c8c300af83f6725dde79c7d9..8e92566b587eeb26549362fa0eb849c16f2e9a5e 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -1163,7 +1163,7 @@ static unsigned tx_le_req(const struct sk_buff *skb)
if (skb_is_gso(skb))
++count;
- if (skb->ip_summed == CHECKSUM_HW)
+ if (skb->ip_summed == CHECKSUM_PARTIAL)
++count;
return count;
@@ -1272,7 +1272,7 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev)
#endif
/* Handle TCP checksum offload */
- if (skb->ip_summed == CHECKSUM_HW) {
+ if (skb->ip_summed == CHECKSUM_PARTIAL) {
u16 hdr = skb->h.raw - skb->data;
u16 offset = hdr + skb->csum;
@@ -2000,7 +2000,7 @@ static int sky2_status_intr(struct sky2_hw *hw, int to_do)
#endif
case OP_RXCHKS:
skb = sky2->rx_ring[sky2->rx_next].skb;
- skb->ip_summed = CHECKSUM_HW;
+ skb->ip_summed = CHECKSUM_COMPLETE;
skb->csum = le16_to_cpu(status);
break;
diff --git a/drivers/net/starfire.c b/drivers/net/starfire.c
index c0a62b00ffc896879be84b96fbca0572692d46e3..2607aa51d8e034267d5883d116bd11f8a128455c 100644
--- a/drivers/net/starfire.c
+++ b/drivers/net/starfire.c
@@ -1230,7 +1230,7 @@ static int start_tx(struct sk_buff *skb, struct net_device *dev)
}
#if defined(ZEROCOPY) && defined(HAS_BROKEN_FIRMWARE)
- if (skb->ip_summed == CHECKSUM_HW) {
+ if (skb->ip_summed == CHECKSUM_PARTIAL) {
if (skb_padto(skb, (skb->len + PADDING_MASK) & ~PADDING_MASK))
return NETDEV_TX_OK;
}
@@ -1252,7 +1252,7 @@ static int start_tx(struct sk_buff *skb, struct net_device *dev)
status |= TxDescIntr;
np->reap_tx = 0;
}
- if (skb->ip_summed == CHECKSUM_HW) {
+ if (skb->ip_summed == CHECKSUM_PARTIAL) {
status |= TxCalTCP;
np->stats.tx_compressed++;
}
@@ -1499,7 +1499,7 @@ static int __netdev_rx(struct net_device *dev, int *quota)
* Until then, the printk stays. :-) -Ion
*/
else if (le16_to_cpu(desc->status2) & 0x0040) {
- skb->ip_summed = CHECKSUM_HW;
+ skb->ip_summed = CHECKSUM_COMPLETE;
skb->csum = le16_to_cpu(desc->csum);
printk(KERN_DEBUG "%s: checksum_hw, status2 = %#x\n", dev->name, le16_to_cpu(desc->status2));
}
diff --git a/drivers/net/sungem.c b/drivers/net/sungem.c
index d7b1d1882cab5fb773dc9ce58c6c12e9e9a233c2..b388651b78361182a510b51a93f1921fc03ac427 100644
--- a/drivers/net/sungem.c
+++ b/drivers/net/sungem.c
@@ -855,7 +855,7 @@ static int gem_rx(struct gem *gp, int work_to_do)
}
skb->csum = ntohs((status & RXDCTRL_TCPCSUM) ^ 0xffff);
- skb->ip_summed = CHECKSUM_HW;
+ skb->ip_summed = CHECKSUM_COMPLETE;
skb->protocol = eth_type_trans(skb, gp->dev);
netif_receive_skb(skb);
@@ -1026,7 +1026,7 @@ static int gem_start_xmit(struct sk_buff *skb, struct net_device *dev)
unsigned long flags;
ctrl = 0;
- if (skb->ip_summed == CHECKSUM_HW) {
+ if (skb->ip_summed == CHECKSUM_PARTIAL) {
u64 csum_start_off, csum_stuff_off;
csum_start_off = (u64) (skb->h.raw - skb->data);
diff --git a/drivers/net/sunhme.c b/drivers/net/sunhme.c
index c6f5bc3c042ffde958ba2841f1730d92ae325f82..17981da22730e270cf952198574a3c29e1517abe 100644
--- a/drivers/net/sunhme.c
+++ b/drivers/net/sunhme.c
@@ -1207,7 +1207,7 @@ static void happy_meal_transceiver_check(struct happy_meal *hp, void __iomem *tr
* flags, thus:
*
* skb->csum = rxd->rx_flags & 0xffff;
- * skb->ip_summed = CHECKSUM_HW;
+ * skb->ip_summed = CHECKSUM_COMPLETE;
*
* before sending off the skb to the protocols, and we are good as gold.
*/
@@ -2074,7 +2074,7 @@ static void happy_meal_rx(struct happy_meal *hp, struct net_device *dev)
/* This card is _fucking_ hot... */
skb->csum = ntohs(csum ^ 0xffff);
- skb->ip_summed = CHECKSUM_HW;
+ skb->ip_summed = CHECKSUM_COMPLETE;
RXD(("len=%d csum=%4x]", len, csum));
skb->protocol = eth_type_trans(skb, dev);
@@ -2268,7 +2268,7 @@ static int happy_meal_start_xmit(struct sk_buff *skb, struct net_device *dev)
u32 tx_flags;
tx_flags = TXFLAG_OWN;
- if (skb->ip_summed == CHECKSUM_HW) {
+ if (skb->ip_summed == CHECKSUM_PARTIAL) {
u32 csum_start_off, csum_stuff_off;
csum_start_off = (u32) (skb->h.raw - skb->data);
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index eafabb253f08d244585e8be5e74164586c111f91..6f5d3a38c582291bdb830c41930cb8d296e2193e 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -3851,11 +3851,11 @@ static int tg3_start_xmit(struct sk_buff *skb, struct net_device *dev)
skb->h.th->check = 0;
}
- else if (skb->ip_summed == CHECKSUM_HW)
+ else if (skb->ip_summed == CHECKSUM_PARTIAL)
base_flags |= TXD_FLAG_TCPUDP_CSUM;
#else
mss = 0;
- if (skb->ip_summed == CHECKSUM_HW)
+ if (skb->ip_summed == CHECKSUM_PARTIAL)
base_flags |= TXD_FLAG_TCPUDP_CSUM;
#endif
#if TG3_VLAN_TAG_USED
@@ -3981,7 +3981,7 @@ static int tg3_start_xmit_dma_bug(struct sk_buff *skb, struct net_device *dev)
entry = tp->tx_prod;
base_flags = 0;
- if (skb->ip_summed == CHECKSUM_HW)
+ if (skb->ip_summed == CHECKSUM_PARTIAL)
base_flags |= TXD_FLAG_TCPUDP_CSUM;
#if TG3_TSO_SUPPORT != 0
mss = 0;
diff --git a/drivers/net/typhoon.c b/drivers/net/typhoon.c
index 4103c37172f9b154804f882ebf87be6ae3e26e29..c6e601dc6bbcfe16d9615832798dcaff5b88a18d 100644
--- a/drivers/net/typhoon.c
+++ b/drivers/net/typhoon.c
@@ -830,7 +830,7 @@ typhoon_start_tx(struct sk_buff *skb, struct net_device *dev)
first_txd->addrHi = (u64)((unsigned long) skb) >> 32;
first_txd->processFlags = 0;
- if(skb->ip_summed == CHECKSUM_HW) {
+ if(skb->ip_summed == CHECKSUM_PARTIAL) {
/* The 3XP will figure out if this is UDP/TCP */
first_txd->processFlags |= TYPHOON_TX_PF_TCP_CHKSUM;
first_txd->processFlags |= TYPHOON_TX_PF_UDP_CHKSUM;
diff --git a/drivers/net/via-rhine.c b/drivers/net/via-rhine.c
index ae971080e2e4389fb681f191c05b785d2984556e..66547159bfd9b8ec4cf367ca7d41182b9abdfd85 100644
--- a/drivers/net/via-rhine.c
+++ b/drivers/net/via-rhine.c
@@ -1230,7 +1230,7 @@ static int rhine_start_tx(struct sk_buff *skb, struct net_device *dev)
rp->tx_skbuff[entry] = skb;
if ((rp->quirks & rqRhineI) &&
- (((unsigned long)skb->data & 3) || skb_shinfo(skb)->nr_frags != 0 || skb->ip_summed == CHECKSUM_HW)) {
+ (((unsigned long)skb->data & 3) || skb_shinfo(skb)->nr_frags != 0 || skb->ip_summed == CHECKSUM_PARTIAL)) {
/* Must use alignment buffer. */
if (skb->len > PKT_BUF_SZ) {
/* packet too long, drop it */
diff --git a/drivers/net/via-velocity.c b/drivers/net/via-velocity.c
index aa9cd92f46b2dbbb51716416acd4f26d503aca1c..f1e0c746a388e87110d623505c7655fa9a08eb19 100644
--- a/drivers/net/via-velocity.c
+++ b/drivers/net/via-velocity.c
@@ -2002,7 +2002,7 @@ static int velocity_xmit(struct sk_buff *skb, struct net_device *dev)
* Handle hardware checksum
*/
if ((vptr->flags & VELOCITY_FLAGS_TX_CSUM)
- && (skb->ip_summed == CHECKSUM_HW)) {
+ && (skb->ip_summed == CHECKSUM_PARTIAL)) {
struct iphdr *ip = skb->nh.iph;
if (ip->protocol == IPPROTO_TCP)
td_ptr->tdesc1.TCR |= TCR0_TCPCK;
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 50a4719512ede141d2fbf045031ff2096227f98b..4f2c2b6beb5e14df087b59b037865dda35234d1d 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -976,7 +976,7 @@ extern void dev_mcast_init(void);
extern int netdev_max_backlog;
extern int weight_p;
extern int netdev_set_master(struct net_device *dev, struct net_device *master);
-extern int skb_checksum_help(struct sk_buff *skb, int inward);
+extern int skb_checksum_help(struct sk_buff *skb);
extern struct sk_buff *skb_gso_segment(struct sk_buff *skb, int features);
#ifdef CONFIG_BUG
extern void netdev_rx_csum_fault(struct net_device *dev);
@@ -1012,7 +1012,7 @@ static inline int netif_needs_gso(struct net_device *dev, struct sk_buff *skb)
{
return skb_is_gso(skb) &&
(!skb_gso_ok(skb, dev->features) ||
- unlikely(skb->ip_summed != CHECKSUM_HW));
+ unlikely(skb->ip_summed != CHECKSUM_PARTIAL));
}
/* On bonding slaves other than the currently active slave, suppress
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 755e9cddac47eebe516751a55929f4339b576c5f..85577a4ffa618d5e319487ab396648a485c6223c 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -34,8 +34,9 @@
#define HAVE_ALIGNABLE_SKB /* Ditto 8) */
#define CHECKSUM_NONE 0
-#define CHECKSUM_HW 1
+#define CHECKSUM_PARTIAL 1
#define CHECKSUM_UNNECESSARY 2
+#define CHECKSUM_COMPLETE 3
#define SKB_DATA_ALIGN(X) (((X) + (SMP_CACHE_BYTES - 1)) & \
~(SMP_CACHE_BYTES - 1))
@@ -56,17 +57,17 @@
* Apparently with secret goal to sell you new device, when you
* will add new protocol to your host. F.e. IPv6. 8)
*
- * HW: the most generic way. Device supplied checksum of _all_
+ * COMPLETE: the most generic way. Device supplied checksum of _all_
* the packet as seen by netif_rx in skb->csum.
* NOTE: Even if device supports only some protocols, but
- * is able to produce some skb->csum, it MUST use HW,
+ * is able to produce some skb->csum, it MUST use COMPLETE,
* not UNNECESSARY.
*
* B. Checksumming on output.
*
* NONE: skb is checksummed by protocol or csum is not required.
*
- * HW: device is required to csum packet as seen by hard_start_xmit
+ * PARTIAL: device is required to csum packet as seen by hard_start_xmit
* from skb->h.raw to the end and to record the checksum
* at skb->h.raw+skb->csum.
*
@@ -1261,14 +1262,14 @@ static inline int skb_linearize_cow(struct sk_buff *skb)
* @len: length of data pulled
*
* After doing a pull on a received packet, you need to call this to
- * update the CHECKSUM_HW checksum, or set ip_summed to CHECKSUM_NONE
- * so that it can be recomputed from scratch.
+ * update the CHECKSUM_COMPLETE checksum, or set ip_summed to
+ * CHECKSUM_NONE so that it can be recomputed from scratch.
*/
static inline void skb_postpull_rcsum(struct sk_buff *skb,
const void *start, unsigned int len)
{
- if (skb->ip_summed == CHECKSUM_HW)
+ if (skb->ip_summed == CHECKSUM_COMPLETE)
skb->csum = csum_sub(skb->csum, csum_partial(start, len, 0));
}
@@ -1287,7 +1288,7 @@ static inline int pskb_trim_rcsum(struct sk_buff *skb, unsigned int len)
{
if (likely(len >= skb->len))
return 0;
- if (skb->ip_summed == CHECKSUM_HW)
+ if (skb->ip_summed == CHECKSUM_COMPLETE)
skb->ip_summed = CHECKSUM_NONE;
return __pskb_trim(skb, len);
}
diff --git a/net/core/datagram.c b/net/core/datagram.c
index aecddcc304012d48769e9f98b91157aa946cd60d..f558c61aecc7644dc9f7847f9f1bbb44ddafcf15 100644
--- a/net/core/datagram.c
+++ b/net/core/datagram.c
@@ -417,7 +417,7 @@ unsigned int __skb_checksum_complete(struct sk_buff *skb)
sum = (u16)csum_fold(skb_checksum(skb, 0, skb->len, skb->csum));
if (likely(!sum)) {
- if (unlikely(skb->ip_summed == CHECKSUM_HW))
+ if (unlikely(skb->ip_summed == CHECKSUM_COMPLETE))
netdev_rx_csum_fault(skb->dev);
skb->ip_summed = CHECKSUM_UNNECESSARY;
}
@@ -462,7 +462,7 @@ int skb_copy_and_csum_datagram_iovec(struct sk_buff *skb,
goto fault;
if ((unsigned short)csum_fold(csum))
goto csum_error;
- if (unlikely(skb->ip_summed == CHECKSUM_HW))
+ if (unlikely(skb->ip_summed == CHECKSUM_COMPLETE))
netdev_rx_csum_fault(skb->dev);
iov->iov_len -= chunk;
iov->iov_base += chunk;
diff --git a/net/core/dev.c b/net/core/dev.c
index d4a1ec3bded5f6afa92c0cbb860101b509f0f338..fc82f6f6e1c17dcfff62081088292ecc643d72e7 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1166,12 +1166,12 @@ EXPORT_SYMBOL(netif_device_attach);
* Invalidate hardware checksum when packet is to be mangled, and
* complete checksum manually on outgoing path.
*/
-int skb_checksum_help(struct sk_buff *skb, int inward)
+int skb_checksum_help(struct sk_buff *skb)
{
unsigned int csum;
int ret = 0, offset = skb->h.raw - skb->data;
- if (inward)
+ if (skb->ip_summed == CHECKSUM_COMPLETE)
goto out_set_summed;
if (unlikely(skb_shinfo(skb)->gso_size)) {
@@ -1223,7 +1223,7 @@ struct sk_buff *skb_gso_segment(struct sk_buff *skb, int features)
skb->mac_len = skb->nh.raw - skb->data;
__skb_pull(skb, skb->mac_len);
- if (unlikely(skb->ip_summed != CHECKSUM_HW)) {
+ if (unlikely(skb->ip_summed != CHECKSUM_PARTIAL)) {
if (skb_header_cloned(skb) &&
(err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC)))
return ERR_PTR(err);
@@ -1232,7 +1232,7 @@ struct sk_buff *skb_gso_segment(struct sk_buff *skb, int features)
rcu_read_lock();
list_for_each_entry_rcu(ptype, &ptype_base[ntohs(type) & 15], list) {
if (ptype->type == type && !ptype->dev && ptype->gso_segment) {
- if (unlikely(skb->ip_summed != CHECKSUM_HW)) {
+ if (unlikely(skb->ip_summed != CHECKSUM_PARTIAL)) {
err = ptype->gso_send_check(skb);
segs = ERR_PTR(err);
if (err || skb_gso_ok(skb, features))
@@ -1444,11 +1444,11 @@ int dev_queue_xmit(struct sk_buff *skb)
/* If packet is not checksummed and device does not support
* checksumming for this protocol, complete checksumming here.
*/
- if (skb->ip_summed == CHECKSUM_HW &&
+ if (skb->ip_summed == CHECKSUM_PARTIAL &&
(!(dev->features & NETIF_F_GEN_CSUM) &&
(!(dev->features & NETIF_F_IP_CSUM) ||
skb->protocol != htons(ETH_P_IP))))
- if (skb_checksum_help(skb, 0))
+ if (skb_checksum_help(skb))
goto out_kfree_skb;
gso:
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index 471da451cd4879dce17a7fe5a4bc20ef0f5e8d38..ead5920c26d644d949369987f28adb83f461d1c9 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -110,7 +110,7 @@ static int checksum_udp(struct sk_buff *skb, struct udphdr *uh,
psum = csum_tcpudp_nofold(saddr, daddr, ulen, IPPROTO_UDP, 0);
- if (skb->ip_summed == CHECKSUM_HW &&
+ if (skb->ip_summed == CHECKSUM_COMPLETE &&
!(u16)csum_fold(csum_add(psum, skb->csum)))
return 0;
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index c54f3664bce5b0e868928df71c392dc18f89f2a0..8a476f1956e5868e947aa9a4834349b83cdd0855 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -1397,7 +1397,7 @@ void skb_copy_and_csum_dev(const struct sk_buff *skb, u8 *to)
unsigned int csum;
long csstart;
- if (skb->ip_summed == CHECKSUM_HW)
+ if (skb->ip_summed == CHECKSUM_PARTIAL)
csstart = skb->h.raw - skb->data;
else
csstart = skb_headlen(skb);
@@ -1411,7 +1411,7 @@ void skb_copy_and_csum_dev(const struct sk_buff *skb, u8 *to)
csum = skb_copy_and_csum_bits(skb, csstart, to + csstart,
skb->len - csstart, 0);
- if (skb->ip_summed == CHECKSUM_HW) {
+ if (skb->ip_summed == CHECKSUM_PARTIAL) {
long csstuff = csstart + skb->csum;
*((unsigned short *)(to + csstuff)) = csum_fold(csum);
@@ -1898,10 +1898,10 @@ int skb_append_datato_frags(struct sock *sk, struct sk_buff *skb,
* @len: length of data pulled
*
* This function performs an skb_pull on the packet and updates
- * update the CHECKSUM_HW checksum. It should be used on receive
- * path processing instead of skb_pull unless you know that the
- * checksum difference is zero (e.g., a valid IP header) or you
- * are setting ip_summed to CHECKSUM_NONE.
+ * update the CHECKSUM_COMPLETE checksum. It should be used on
+ * receive path processing instead of skb_pull unless you know
+ * that the checksum difference is zero (e.g., a valid IP header)
+ * or you are setting ip_summed to CHECKSUM_NONE.
*/
unsigned char *skb_pull_rcsum(struct sk_buff *skb, unsigned int len)
{
@@ -1994,7 +1994,7 @@ struct sk_buff *skb_segment(struct sk_buff *skb, int features)
frag = skb_shinfo(nskb)->frags;
k = 0;
- nskb->ip_summed = CHECKSUM_HW;
+ nskb->ip_summed = CHECKSUM_PARTIAL;
nskb->csum = skb->csum;
memcpy(skb_put(nskb, hsize), skb->data + offset, hsize);
diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c
index 6ad797c14163e84356f9c17177a1eb33f2e78da4..6d223e5c6741050577d09d9b27c5ac33a1010c2c 100644
--- a/net/ipv4/icmp.c
+++ b/net/ipv4/icmp.c
@@ -930,7 +930,7 @@ int icmp_rcv(struct sk_buff *skb)
ICMP_INC_STATS_BH(ICMP_MIB_INMSGS);
switch (skb->ip_summed) {
- case CHECKSUM_HW:
+ case CHECKSUM_COMPLETE:
if (!(u16)csum_fold(skb->csum))
break;
/* fall through */
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 8e8117c19e4db24ad74d55cfe540fb0d4c9816f3..7003e763d9700e9e48dcf9a5e2473bfd20a5b9ca 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -931,7 +931,7 @@ int igmp_rcv(struct sk_buff *skb)
goto drop;
switch (skb->ip_summed) {
- case CHECKSUM_HW:
+ case CHECKSUM_COMPLETE:
if (!(u16)csum_fold(skb->csum))
break;
/* fall through */
diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c
index b84b53a4752658e3f712328276f973f67069ea2a..8d7f107c2eefde9b982c5fee5d2b7babbb4778ac 100644
--- a/net/ipv4/ip_fragment.c
+++ b/net/ipv4/ip_fragment.c
@@ -665,7 +665,7 @@ static struct sk_buff *ip_frag_reasm(struct ipq *qp, struct net_device *dev)
head->len += fp->len;
if (head->ip_summed != fp->ip_summed)
head->ip_summed = CHECKSUM_NONE;
- else if (head->ip_summed == CHECKSUM_HW)
+ else if (head->ip_summed == CHECKSUM_COMPLETE)
head->csum = csum_add(head->csum, fp->csum);
head->truesize += fp->truesize;
atomic_sub(fp->truesize, &ip_frag_mem);
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 0f9b3a31997be8af4360f55ec77fa99f7da3f69f..e66f6ff2e1989a01411212dce8080fd699365908 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -576,7 +576,7 @@ static int ipgre_rcv(struct sk_buff *skb)
if (flags&GRE_CSUM) {
switch (skb->ip_summed) {
- case CHECKSUM_HW:
+ case CHECKSUM_COMPLETE:
csum = (u16)csum_fold(skb->csum);
if (!csum)
break;
@@ -584,7 +584,7 @@ static int ipgre_rcv(struct sk_buff *skb)
case CHECKSUM_NONE:
skb->csum = 0;
csum = __skb_checksum_complete(skb);
- skb->ip_summed = CHECKSUM_HW;
+ skb->ip_summed = CHECKSUM_COMPLETE;
}
offset += 4;
}
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 308bdeac3455a4576773f36df761fa7bdda1500e..1b9b6742ef77289e6f54cbfaf45f325738a118c9 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -680,7 +680,7 @@ ip_generic_getfrag(void *from, char *to, int offset, int len, int odd, struct sk
{
struct iovec *iov = from;
- if (skb->ip_summed == CHECKSUM_HW) {
+ if (skb->ip_summed == CHECKSUM_PARTIAL) {
if (memcpy_fromiovecend(to, iov, offset, len) < 0)
return -EFAULT;
} else {
@@ -736,7 +736,7 @@ static inline int ip_ufo_append_data(struct sock *sk,
/* initialize protocol header pointer */
skb->h.raw = skb->data + fragheaderlen;
- skb->ip_summed = CHECKSUM_HW;
+ skb->ip_summed = CHECKSUM_PARTIAL;
skb->csum = 0;
sk->sk_sndmsg_off = 0;
}
@@ -844,7 +844,7 @@ int ip_append_data(struct sock *sk,
length + fragheaderlen <= mtu &&
rt->u.dst.dev->features & NETIF_F_ALL_CSUM &&
!exthdrlen)
- csummode = CHECKSUM_HW;
+ csummode = CHECKSUM_PARTIAL;
inet->cork.length += length;
if (((length > mtu) && (sk->sk_protocol == IPPROTO_UDP)) &&
diff --git a/net/ipv4/ipvs/ip_vs_proto_tcp.c b/net/ipv4/ipvs/ip_vs_proto_tcp.c
index bc28b1160a3aad85c93ee520f5c6a3ce660b7bf0..820e8318d10df06be7412054814838b41e6ad17d 100644
--- a/net/ipv4/ipvs/ip_vs_proto_tcp.c
+++ b/net/ipv4/ipvs/ip_vs_proto_tcp.c
@@ -151,7 +151,7 @@ tcp_snat_handler(struct sk_buff **pskb,
/* Only port and addr are changed, do fast csum update */
tcp_fast_csum_update(tcph, cp->daddr, cp->vaddr,
cp->dport, cp->vport);
- if ((*pskb)->ip_summed == CHECKSUM_HW)
+ if ((*pskb)->ip_summed == CHECKSUM_COMPLETE)
(*pskb)->ip_summed = CHECKSUM_NONE;
} else {
/* full checksum calculation */
@@ -204,7 +204,7 @@ tcp_dnat_handler(struct sk_buff **pskb,
/* Only port and addr are changed, do fast csum update */
tcp_fast_csum_update(tcph, cp->vaddr, cp->daddr,
cp->vport, cp->dport);
- if ((*pskb)->ip_summed == CHECKSUM_HW)
+ if ((*pskb)->ip_summed == CHECKSUM_COMPLETE)
(*pskb)->ip_summed = CHECKSUM_NONE;
} else {
/* full checksum calculation */
@@ -229,7 +229,7 @@ tcp_csum_check(struct sk_buff *skb, struct ip_vs_protocol *pp)
switch (skb->ip_summed) {
case CHECKSUM_NONE:
skb->csum = skb_checksum(skb, tcphoff, skb->len - tcphoff, 0);
- case CHECKSUM_HW:
+ case CHECKSUM_COMPLETE:
if (csum_tcpudp_magic(skb->nh.iph->saddr, skb->nh.iph->daddr,
skb->len - tcphoff,
skb->nh.iph->protocol, skb->csum)) {
@@ -239,7 +239,7 @@ tcp_csum_check(struct sk_buff *skb, struct ip_vs_protocol *pp)
}
break;
default:
- /* CHECKSUM_UNNECESSARY */
+ /* No need to checksum. */
break;
}
diff --git a/net/ipv4/ipvs/ip_vs_proto_udp.c b/net/ipv4/ipvs/ip_vs_proto_udp.c
index 89d9175d8f288360463fde69a0248acc763abba4..90c8166c0ec129a5c84aa449876ef4139bab9e48 100644
--- a/net/ipv4/ipvs/ip_vs_proto_udp.c
+++ b/net/ipv4/ipvs/ip_vs_proto_udp.c
@@ -161,7 +161,7 @@ udp_snat_handler(struct sk_buff **pskb,
/* Only port and addr are changed, do fast csum update */
udp_fast_csum_update(udph, cp->daddr, cp->vaddr,
cp->dport, cp->vport);
- if ((*pskb)->ip_summed == CHECKSUM_HW)
+ if ((*pskb)->ip_summed == CHECKSUM_COMPLETE)
(*pskb)->ip_summed = CHECKSUM_NONE;
} else {
/* full checksum calculation */
@@ -216,7 +216,7 @@ udp_dnat_handler(struct sk_buff **pskb,
/* Only port and addr are changed, do fast csum update */
udp_fast_csum_update(udph, cp->vaddr, cp->daddr,
cp->vport, cp->dport);
- if ((*pskb)->ip_summed == CHECKSUM_HW)
+ if ((*pskb)->ip_summed == CHECKSUM_COMPLETE)
(*pskb)->ip_summed = CHECKSUM_NONE;
} else {
/* full checksum calculation */
@@ -250,7 +250,7 @@ udp_csum_check(struct sk_buff *skb, struct ip_vs_protocol *pp)
case CHECKSUM_NONE:
skb->csum = skb_checksum(skb, udphoff,
skb->len - udphoff, 0);
- case CHECKSUM_HW:
+ case CHECKSUM_COMPLETE:
if (csum_tcpudp_magic(skb->nh.iph->saddr,
skb->nh.iph->daddr,
skb->len - udphoff,
@@ -262,7 +262,7 @@ udp_csum_check(struct sk_buff *skb, struct ip_vs_protocol *pp)
}
break;
default:
- /* CHECKSUM_UNNECESSARY */
+ /* No need to checksum. */
break;
}
}
diff --git a/net/ipv4/netfilter.c b/net/ipv4/netfilter.c
index 6a9e34b794bc7d3c495566045ef2c38bad3a0c5d..f88347de21a9927a2877b11b0cf31d39979b6763 100644
--- a/net/ipv4/netfilter.c
+++ b/net/ipv4/netfilter.c
@@ -168,7 +168,7 @@ unsigned int nf_ip_checksum(struct sk_buff *skb, unsigned int hook,
unsigned int csum = 0;
switch (skb->ip_summed) {
- case CHECKSUM_HW:
+ case CHECKSUM_COMPLETE:
if (hook != NF_IP_PRE_ROUTING && hook != NF_IP_LOCAL_IN)
break;
if ((protocol == 0 && !(u16)csum_fold(skb->csum)) ||
diff --git a/net/ipv4/netfilter/ip_conntrack_proto_tcp.c b/net/ipv4/netfilter/ip_conntrack_proto_tcp.c
index fb920e76ec106744746b7716a3ea54be01333e94..9de81ff645d508d7e81d74b8c471ac50155463b4 100644
--- a/net/ipv4/netfilter/ip_conntrack_proto_tcp.c
+++ b/net/ipv4/netfilter/ip_conntrack_proto_tcp.c
@@ -865,8 +865,7 @@ static int tcp_error(struct sk_buff *skb,
/* Checksum invalid? Ignore.
* We skip checking packets on the outgoing path
- * because the semantic of CHECKSUM_HW is different there
- * and moreover root might send raw packets.
+ * because it is assumed to be correct.
*/
/* FIXME: Source route IP option packets --RR */
if (ip_conntrack_checksum && hooknum == NF_IP_PRE_ROUTING &&
diff --git a/net/ipv4/netfilter/ip_conntrack_proto_udp.c b/net/ipv4/netfilter/ip_conntrack_proto_udp.c
index 9b2c16b4d2ffdce020abb9a9ee1a7a941d7bf90a..e58e52f1455369d346344d655b8362fe7925637f 100644
--- a/net/ipv4/netfilter/ip_conntrack_proto_udp.c
+++ b/net/ipv4/netfilter/ip_conntrack_proto_udp.c
@@ -117,8 +117,7 @@ static int udp_error(struct sk_buff *skb, enum ip_conntrack_info *ctinfo,
/* Checksum invalid? Ignore.
* We skip checking packets on the outgoing path
- * because the semantic of CHECKSUM_HW is different there
- * and moreover root might send raw packets.
+ * because the checksum is assumed to be correct.
* FIXME: Source route IP option packets --RR */
if (ip_conntrack_checksum && hooknum == NF_IP_PRE_ROUTING &&
nf_ip_checksum(skb, hooknum, iph->ihl * 4, IPPROTO_UDP)) {
diff --git a/net/ipv4/netfilter/ip_nat_standalone.c b/net/ipv4/netfilter/ip_nat_standalone.c
index 17de077a790169166533da0a12056012b668f77d..f4f00c816d87415c6581c2742db17f49c6d8c5f7 100644
--- a/net/ipv4/netfilter/ip_nat_standalone.c
+++ b/net/ipv4/netfilter/ip_nat_standalone.c
@@ -111,8 +111,9 @@ ip_nat_fn(unsigned int hooknum,
& htons(IP_MF|IP_OFFSET)));
/* If we had a hardware checksum before, it's now invalid */
- if ((*pskb)->ip_summed == CHECKSUM_HW)
- if (skb_checksum_help(*pskb, (out == NULL)))
+ if ((*pskb)->ip_summed == CHECKSUM_PARTIAL ||
+ (*pskb)->ip_summed == CHECKSUM_COMPLETE)
+ if (skb_checksum_help(*pskb))
return NF_DROP;
ct = ip_conntrack_get(*pskb, &ctinfo);
diff --git a/net/ipv4/netfilter/ip_queue.c b/net/ipv4/netfilter/ip_queue.c
index 198ac36db861225ec879f21b3ce3b833b082ce0b..276a964ee6cfca0461f403c68e21640881190190 100644
--- a/net/ipv4/netfilter/ip_queue.c
+++ b/net/ipv4/netfilter/ip_queue.c
@@ -208,9 +208,9 @@ ipq_build_packet_message(struct ipq_queue_entry *entry, int *errp)
break;
case IPQ_COPY_PACKET:
- if (entry->skb->ip_summed == CHECKSUM_HW &&
- (*errp = skb_checksum_help(entry->skb,
- entry->info->outdev == NULL))) {
+ if ((entry->skb->ip_summed == CHECKSUM_PARTIAL ||
+ entry->skb->ip_summed == CHECKSUM_COMPLETE) &&
+ (*errp = skb_checksum_help(entry->skb))) {
read_unlock_bh(&queue_lock);
return NULL;
}
diff --git a/net/ipv4/netfilter/ipt_ECN.c b/net/ipv4/netfilter/ipt_ECN.c
index 4adf5c9d34f52b964e84b9d183a313929554918f..4ec43f98fe492729322ff77b7838a27c50ea7342 100644
--- a/net/ipv4/netfilter/ipt_ECN.c
+++ b/net/ipv4/netfilter/ipt_ECN.c
@@ -49,7 +49,7 @@ set_ect_ip(struct sk_buff **pskb, const struct ipt_ECN_info *einfo)
/* Return 0 if there was an error. */
static inline int
-set_ect_tcp(struct sk_buff **pskb, const struct ipt_ECN_info *einfo, int inward)
+set_ect_tcp(struct sk_buff **pskb, const struct ipt_ECN_info *einfo)
{
struct tcphdr _tcph, *tcph;
u_int16_t diffs[2];
@@ -70,8 +70,9 @@ set_ect_tcp(struct sk_buff **pskb, const struct ipt_ECN_info *einfo, int inward)
return 0;
tcph = (void *)(*pskb)->nh.iph + (*pskb)->nh.iph->ihl*4;
- if ((*pskb)->ip_summed == CHECKSUM_HW &&
- skb_checksum_help(*pskb, inward))
+ if (((*pskb)->ip_summed == CHECKSUM_PARTIAL ||
+ (*pskb)->ip_summed == CHECKSUM_COMPLETE) &&
+ skb_checksum_help(*pskb))
return 0;
diffs[0] = ((u_int16_t *)tcph)[6];
@@ -106,7 +107,7 @@ target(struct sk_buff **pskb,
if (einfo->operation & (IPT_ECN_OP_SET_ECE | IPT_ECN_OP_SET_CWR)
&& (*pskb)->nh.iph->protocol == IPPROTO_TCP)
- if (!set_ect_tcp(pskb, einfo, (out == NULL)))
+ if (!set_ect_tcp(pskb, einfo))
return NF_DROP;
return IPT_CONTINUE;
diff --git a/net/ipv4/netfilter/ipt_TCPMSS.c b/net/ipv4/netfilter/ipt_TCPMSS.c
index ef2fe5b3f0d8f09f79ca5e501f1b93fbcf5ee772..c998dc0fcd1596e6349b212c202760672d12bf52 100644
--- a/net/ipv4/netfilter/ipt_TCPMSS.c
+++ b/net/ipv4/netfilter/ipt_TCPMSS.c
@@ -62,8 +62,9 @@ ipt_tcpmss_target(struct sk_buff **pskb,
if (!skb_make_writable(pskb, (*pskb)->len))
return NF_DROP;
- if ((*pskb)->ip_summed == CHECKSUM_HW &&
- skb_checksum_help(*pskb, out == NULL))
+ if (((*pskb)->ip_summed == CHECKSUM_PARTIAL ||
+ (*pskb)->ip_summed == CHECKSUM_COMPLETE) &&
+ skb_checksum_help(*pskb))
return NF_DROP;
iph = (*pskb)->nh.iph;
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 934396bb1376f84b43dd60215c04466690686f93..b0124e69ab3839b9d5c5a5a4e55f0b4f91bea3fc 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -568,7 +568,7 @@ static ssize_t do_tcp_sendpages(struct sock *sk, struct page **pages, int poffse
skb->truesize += copy;
sk->sk_wmem_queued += copy;
sk->sk_forward_alloc -= copy;
- skb->ip_summed = CHECKSUM_HW;
+ skb->ip_summed = CHECKSUM_PARTIAL;
tp->write_seq += copy;
TCP_SKB_CB(skb)->end_seq += copy;
skb_shinfo(skb)->gso_segs = 0;
@@ -723,7 +723,7 @@ int tcp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
* Check whether we can use HW checksum.
*/
if (sk->sk_route_caps & NETIF_F_ALL_CSUM)
- skb->ip_summed = CHECKSUM_HW;
+ skb->ip_summed = CHECKSUM_PARTIAL;
skb_entail(sk, tp, skb);
copy = size_goal;
@@ -2205,7 +2205,7 @@ struct sk_buff *tcp_tso_segment(struct sk_buff *skb, int features)
th->fin = th->psh = 0;
th->check = ~csum_fold(th->check + delta);
- if (skb->ip_summed != CHECKSUM_HW)
+ if (skb->ip_summed != CHECKSUM_PARTIAL)
th->check = csum_fold(csum_partial(skb->h.raw, thlen,
skb->csum));
@@ -2219,7 +2219,7 @@ struct sk_buff *tcp_tso_segment(struct sk_buff *skb, int features)
delta = htonl(oldlen + (skb->tail - skb->h.raw) + skb->data_len);
th->check = ~csum_fold(th->check + delta);
- if (skb->ip_summed != CHECKSUM_HW)
+ if (skb->ip_summed != CHECKSUM_PARTIAL)
th->check = csum_fold(csum_partial(skb->h.raw, thlen,
skb->csum));
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 43f6740244f8f576853d97135a7a0c53d9e1c9d4..b2aa512a30e9d1e91890185c45387aa1843e122e 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -484,7 +484,7 @@ void tcp_v4_send_check(struct sock *sk, int len, struct sk_buff *skb)
struct inet_sock *inet = inet_sk(sk);
struct tcphdr *th = skb->h.th;
- if (skb->ip_summed == CHECKSUM_HW) {
+ if (skb->ip_summed == CHECKSUM_PARTIAL) {
th->check = ~tcp_v4_check(th, len, inet->saddr, inet->daddr, 0);
skb->csum = offsetof(struct tcphdr, check);
} else {
@@ -509,7 +509,7 @@ int tcp_v4_gso_send_check(struct sk_buff *skb)
th->check = 0;
th->check = ~tcp_v4_check(th, skb->len, iph->saddr, iph->daddr, 0);
skb->csum = offsetof(struct tcphdr, check);
- skb->ip_summed = CHECKSUM_HW;
+ skb->ip_summed = CHECKSUM_PARTIAL;
return 0;
}
@@ -973,7 +973,7 @@ static struct sock *tcp_v4_hnd_req(struct sock *sk, struct sk_buff *skb)
static int tcp_v4_checksum_init(struct sk_buff *skb)
{
- if (skb->ip_summed == CHECKSUM_HW) {
+ if (skb->ip_summed == CHECKSUM_COMPLETE) {
if (!tcp_v4_check(skb->h.th, skb->len, skb->nh.iph->saddr,
skb->nh.iph->daddr, skb->csum)) {
skb->ip_summed = CHECKSUM_UNNECESSARY;
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index b4f3ffe1b3b4423211dd9f4e13e42f3d6ecbe230..9252a50c4b4908a0ee3129e8c4c32de65101aeea 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -577,7 +577,7 @@ int tcp_fragment(struct sock *sk, struct sk_buff *skb, u32 len, unsigned int mss
TCP_SKB_CB(buff)->sacked = TCP_SKB_CB(skb)->sacked;
TCP_SKB_CB(skb)->sacked &= ~TCPCB_AT_TAIL;
- if (!skb_shinfo(skb)->nr_frags && skb->ip_summed != CHECKSUM_HW) {
+ if (!skb_shinfo(skb)->nr_frags && skb->ip_summed != CHECKSUM_PARTIAL) {
/* Copy and checksum data tail into the new buffer. */
buff->csum = csum_partial_copy_nocheck(skb->data + len, skb_put(buff, nsize),
nsize, 0);
@@ -586,7 +586,7 @@ int tcp_fragment(struct sock *sk, struct sk_buff *skb, u32 len, unsigned int mss
skb->csum = csum_block_sub(skb->csum, buff->csum, len);
} else {
- skb->ip_summed = CHECKSUM_HW;
+ skb->ip_summed = CHECKSUM_PARTIAL;
skb_split(skb, buff, len);
}
@@ -689,7 +689,7 @@ int tcp_trim_head(struct sock *sk, struct sk_buff *skb, u32 len)
__pskb_trim_head(skb, len - skb_headlen(skb));
TCP_SKB_CB(skb)->seq += len;
- skb->ip_summed = CHECKSUM_HW;
+ skb->ip_summed = CHECKSUM_PARTIAL;
skb->truesize -= len;
sk->sk_wmem_queued -= len;
@@ -1062,7 +1062,7 @@ static int tso_fragment(struct sock *sk, struct sk_buff *skb, unsigned int len,
/* This packet was never sent out yet, so no SACK bits. */
TCP_SKB_CB(buff)->sacked = 0;
- buff->ip_summed = skb->ip_summed = CHECKSUM_HW;
+ buff->ip_summed = skb->ip_summed = CHECKSUM_PARTIAL;
skb_split(skb, buff, len);
/* Fix up tso_factor for both original and new SKB. */
@@ -1206,8 +1206,7 @@ static int tcp_mtu_probe(struct sock *sk)
TCP_SKB_CB(nskb)->flags = TCPCB_FLAG_ACK;
TCP_SKB_CB(nskb)->sacked = 0;
nskb->csum = 0;
- if (skb->ip_summed == CHECKSUM_HW)
- nskb->ip_summed = CHECKSUM_HW;
+ nskb->ip_summed = skb->ip_summed;
len = 0;
while (len < probe_size) {
@@ -1231,7 +1230,7 @@ static int tcp_mtu_probe(struct sock *sk)
~(TCPCB_FLAG_FIN|TCPCB_FLAG_PSH);
if (!skb_shinfo(skb)->nr_frags) {
skb_pull(skb, copy);
- if (skb->ip_summed != CHECKSUM_HW)
+ if (skb->ip_summed != CHECKSUM_PARTIAL)
skb->csum = csum_partial(skb->data, skb->len, 0);
} else {
__pskb_trim_head(skb, copy);
@@ -1572,10 +1571,9 @@ static void tcp_retrans_try_collapse(struct sock *sk, struct sk_buff *skb, int m
memcpy(skb_put(skb, next_skb_size), next_skb->data, next_skb_size);
- if (next_skb->ip_summed == CHECKSUM_HW)
- skb->ip_summed = CHECKSUM_HW;
+ skb->ip_summed = next_skb->ip_summed;
- if (skb->ip_summed != CHECKSUM_HW)
+ if (skb->ip_summed != CHECKSUM_PARTIAL)
skb->csum = csum_block_add(skb->csum, next_skb->csum, skb_size);
/* Update sequence range on original skb. */
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index a4d005eccc7f6668fb5f67abad9d9930fb63f999..87152510980c84df1693f1e29c4c58d25c9ed75e 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -429,7 +429,7 @@ static int udp_push_pending_frames(struct sock *sk, struct udp_sock *up)
/*
* Only one fragment on the socket.
*/
- if (skb->ip_summed == CHECKSUM_HW) {
+ if (skb->ip_summed == CHECKSUM_PARTIAL) {
skb->csum = offsetof(struct udphdr, check);
uh->check = ~csum_tcpudp_magic(fl->fl4_src, fl->fl4_dst,
up->len, IPPROTO_UDP, 0);
@@ -448,7 +448,7 @@ static int udp_push_pending_frames(struct sock *sk, struct udp_sock *up)
* fragments on the socket so that all csums of sk_buffs
* should be together.
*/
- if (skb->ip_summed == CHECKSUM_HW) {
+ if (skb->ip_summed == CHECKSUM_PARTIAL) {
int offset = (unsigned char *)uh - skb->data;
skb->csum = skb_checksum(skb, offset, skb->len - offset, 0);
@@ -1088,7 +1088,7 @@ static void udp_checksum_init(struct sk_buff *skb, struct udphdr *uh,
{
if (uh->check == 0) {
skb->ip_summed = CHECKSUM_UNNECESSARY;
- } else if (skb->ip_summed == CHECKSUM_HW) {
+ } else if (skb->ip_summed == CHECKSUM_COMPLETE) {
if (!udp_check(uh, ulen, saddr, daddr, skb->csum))
skb->ip_summed = CHECKSUM_UNNECESSARY;
}
diff --git a/net/ipv4/xfrm4_output.c b/net/ipv4/xfrm4_output.c
index d16f863cf687645198a6299cab9b718c7c25af97..4a96a9e3ef3bc99c80c95ae62b38b2caf58072e4 100644
--- a/net/ipv4/xfrm4_output.c
+++ b/net/ipv4/xfrm4_output.c
@@ -48,8 +48,8 @@ static int xfrm4_output_one(struct sk_buff *skb)
struct xfrm_state *x = dst->xfrm;
int err;
- if (skb->ip_summed == CHECKSUM_HW) {
- err = skb_checksum_help(skb, 0);
+ if (skb->ip_summed == CHECKSUM_PARTIAL) {
+ err = skb_checksum_help(skb);
if (err)
goto error_nolock;
}
diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c
index 86dac106873b735cbde1913b29a4bc659b8a199a..05afa6b1912b7aef46f1c8243781e38633e43947 100644
--- a/net/ipv6/exthdrs.c
+++ b/net/ipv6/exthdrs.c
@@ -294,7 +294,7 @@ static int ipv6_rthdr_rcv(struct sk_buff **skbp)
hdr = (struct ipv6_rt_hdr *) skb2->h.raw;
}
- if (skb->ip_summed == CHECKSUM_HW)
+ if (skb->ip_summed == CHECKSUM_COMPLETE)
skb->ip_summed = CHECKSUM_NONE;
i = n - --hdr->segments_left;
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index dbfce089e916d4088788fc00ccef432395390e93..10305510767415b96316d22848b2824bdd1a6763 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -606,7 +606,7 @@ static int icmpv6_rcv(struct sk_buff **pskb)
/* Perform checksum. */
switch (skb->ip_summed) {
- case CHECKSUM_HW:
+ case CHECKSUM_COMPLETE:
if (!csum_ipv6_magic(saddr, daddr, skb->len, IPPROTO_ICMPV6,
skb->csum))
break;
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 4fb47a25291313ea0851a6539bed48a73a97c1c8..65514f21c1864bae6cad95a6dd3c78faf45897f9 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -866,7 +866,7 @@ static inline int ip6_ufo_append_data(struct sock *sk,
/* initialize protocol header pointer */
skb->h.raw = skb->data + fragheaderlen;
- skb->ip_summed = CHECKSUM_HW;
+ skb->ip_summed = CHECKSUM_PARTIAL;
skb->csum = 0;
sk->sk_sndmsg_off = 0;
}
diff --git a/net/ipv6/netfilter.c b/net/ipv6/netfilter.c
index 395a417ba9554baaeb0d9678c543abe4e802b3eb..580b1aba6722bd61438d4a52b3ed09bea2668f9f 100644
--- a/net/ipv6/netfilter.c
+++ b/net/ipv6/netfilter.c
@@ -87,7 +87,7 @@ unsigned int nf_ip6_checksum(struct sk_buff *skb, unsigned int hook,
unsigned int csum = 0;
switch (skb->ip_summed) {
- case CHECKSUM_HW:
+ case CHECKSUM_COMPLETE:
if (hook != NF_IP6_PRE_ROUTING && hook != NF_IP6_LOCAL_IN)
break;
if (!csum_ipv6_magic(&ip6h->saddr, &ip6h->daddr,
diff --git a/net/ipv6/netfilter/ip6_queue.c b/net/ipv6/netfilter/ip6_queue.c
index 968a14be0d0578eb17f48e2ea03018845cbd40f8..c01c126224e2a921723dc17b895a39b8d471f6ea 100644
--- a/net/ipv6/netfilter/ip6_queue.c
+++ b/net/ipv6/netfilter/ip6_queue.c
@@ -206,9 +206,9 @@ ipq_build_packet_message(struct ipq_queue_entry *entry, int *errp)
break;
case IPQ_COPY_PACKET:
- if (entry->skb->ip_summed == CHECKSUM_HW &&
- (*errp = skb_checksum_help(entry->skb,
- entry->info->outdev == NULL))) {
+ if ((entry->skb->ip_summed == CHECKSUM_PARTIAL ||
+ entry->skb->ip_summed == CHECKSUM_COMPLETE) &&
+ (*errp = skb_checksum_help(entry->skb))) {
read_unlock_bh(&queue_lock);
return NULL;
}
diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c
index 00d5583807f76c0e5f22f6c2a7f7fb9d74fc7a1b..7a4e4c2e319729203ed3b99feb05e31575515108 100644
--- a/net/ipv6/netfilter/nf_conntrack_reasm.c
+++ b/net/ipv6/netfilter/nf_conntrack_reasm.c
@@ -408,7 +408,7 @@ static int nf_ct_frag6_queue(struct nf_ct_frag6_queue *fq, struct sk_buff *skb,
return -1;
}
- if (skb->ip_summed == CHECKSUM_HW)
+ if (skb->ip_summed == CHECKSUM_COMPLETE)
skb->csum = csum_sub(skb->csum,
csum_partial(skb->nh.raw,
(u8*)(fhdr + 1) - skb->nh.raw,
@@ -640,7 +640,7 @@ nf_ct_frag6_reasm(struct nf_ct_frag6_queue *fq, struct net_device *dev)
head->len += fp->len;
if (head->ip_summed != fp->ip_summed)
head->ip_summed = CHECKSUM_NONE;
- else if (head->ip_summed == CHECKSUM_HW)
+ else if (head->ip_summed == CHECKSUM_COMPLETE)
head->csum = csum_add(head->csum, fp->csum);
head->truesize += fp->truesize;
atomic_sub(fp->truesize, &nf_ct_frag6_mem);
@@ -652,7 +652,7 @@ nf_ct_frag6_reasm(struct nf_ct_frag6_queue *fq, struct net_device *dev)
head->nh.ipv6h->payload_len = htons(payload_len);
/* Yes, and fold redundant checksum back. 8) */
- if (head->ip_summed == CHECKSUM_HW)
+ if (head->ip_summed == CHECKSUM_COMPLETE)
head->csum = csum_partial(head->nh.raw, head->h.raw-head->nh.raw, head->csum);
fq->fragments = NULL;
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index d5040e172292eb945fcc57e7d269b7ec848ba66a..d4af1cb5e19fe9144d679063a55e07ebebf05d4f 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -334,7 +334,7 @@ int rawv6_rcv(struct sock *sk, struct sk_buff *skb)
if (!rp->checksum)
skb->ip_summed = CHECKSUM_UNNECESSARY;
- if (skb->ip_summed == CHECKSUM_HW) {
+ if (skb->ip_summed == CHECKSUM_COMPLETE) {
skb_postpull_rcsum(skb, skb->nh.raw,
skb->h.raw - skb->nh.raw);
if (!csum_ipv6_magic(&skb->nh.ipv6h->saddr,
diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c
index 4e299c69e1c60f1c469cd6dd8b8b90a3d0f016b0..a8623d2b0879c3a9b4599948664f5a10b52eb93d 100644
--- a/net/ipv6/reassembly.c
+++ b/net/ipv6/reassembly.c
@@ -433,7 +433,7 @@ static void ip6_frag_queue(struct frag_queue *fq, struct sk_buff *skb,
return;
}
- if (skb->ip_summed == CHECKSUM_HW)
+ if (skb->ip_summed == CHECKSUM_COMPLETE)
skb->csum = csum_sub(skb->csum,
csum_partial(skb->nh.raw, (u8*)(fhdr+1)-skb->nh.raw, 0));
@@ -647,7 +647,7 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff **skb_in,
head->len += fp->len;
if (head->ip_summed != fp->ip_summed)
head->ip_summed = CHECKSUM_NONE;
- else if (head->ip_summed == CHECKSUM_HW)
+ else if (head->ip_summed == CHECKSUM_COMPLETE)
head->csum = csum_add(head->csum, fp->csum);
head->truesize += fp->truesize;
atomic_sub(fp->truesize, &ip6_frag_mem);
@@ -662,7 +662,7 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff **skb_in,
*skb_in = head;
/* Yes, and fold redundant checksum back. 8) */
- if (head->ip_summed == CHECKSUM_HW)
+ if (head->ip_summed == CHECKSUM_COMPLETE)
head->csum = csum_partial(head->nh.raw, head->h.raw-head->nh.raw, head->csum);
IP6_INC_STATS_BH(IPSTATS_MIB_REASMOKS);
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 302786a11cd6711eb321f6801cc13947b7845699..7f1b660493b78497d357c6bf7a301e3fc511cdba 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -545,7 +545,7 @@ static void tcp_v6_send_check(struct sock *sk, int len, struct sk_buff *skb)
struct ipv6_pinfo *np = inet6_sk(sk);
struct tcphdr *th = skb->h.th;
- if (skb->ip_summed == CHECKSUM_HW) {
+ if (skb->ip_summed == CHECKSUM_PARTIAL) {
th->check = ~csum_ipv6_magic(&np->saddr, &np->daddr, len, IPPROTO_TCP, 0);
skb->csum = offsetof(struct tcphdr, check);
} else {
@@ -570,7 +570,7 @@ static int tcp_v6_gso_send_check(struct sk_buff *skb)
th->check = ~csum_ipv6_magic(&ipv6h->saddr, &ipv6h->daddr, skb->len,
IPPROTO_TCP, 0);
skb->csum = offsetof(struct tcphdr, check);
- skb->ip_summed = CHECKSUM_HW;
+ skb->ip_summed = CHECKSUM_PARTIAL;
return 0;
}
@@ -1033,7 +1033,7 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
static int tcp_v6_checksum_init(struct sk_buff *skb)
{
- if (skb->ip_summed == CHECKSUM_HW) {
+ if (skb->ip_summed == CHECKSUM_COMPLETE) {
if (!tcp_v6_check(skb->h.th,skb->len,&skb->nh.ipv6h->saddr,
&skb->nh.ipv6h->daddr,skb->csum)) {
skb->ip_summed = CHECKSUM_UNNECESSARY;
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 82c7c9cde2a8653dfa744d3ceac7b3451fa9eb37..780b89f6dfcc3e2cb221d528f44523fae3c9a495 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -475,7 +475,7 @@ static int udpv6_rcv(struct sk_buff **pskb)
uh = skb->h.uh;
}
- if (skb->ip_summed == CHECKSUM_HW &&
+ if (skb->ip_summed == CHECKSUM_COMPLETE &&
!csum_ipv6_magic(saddr, daddr, ulen, IPPROTO_UDP, skb->csum))
skb->ip_summed = CHECKSUM_UNNECESSARY;
diff --git a/net/ipv6/xfrm6_output.c b/net/ipv6/xfrm6_output.c
index c8c8b44a0f581ee2e486ab5469ed8f9e4ba0bc81..6d111743e508383d4329c3da9ef9c785cec65aad 100644
--- a/net/ipv6/xfrm6_output.c
+++ b/net/ipv6/xfrm6_output.c
@@ -41,8 +41,8 @@ static int xfrm6_output_one(struct sk_buff *skb)
struct xfrm_state *x = dst->xfrm;
int err;
- if (skb->ip_summed == CHECKSUM_HW) {
- err = skb_checksum_help(skb, 0);
+ if (skb->ip_summed == CHECKSUM_PARTIAL) {
+ err = skb_checksum_help(skb);
if (err)
goto error_nolock;
}
diff --git a/net/netfilter/nf_conntrack_proto_tcp.c b/net/netfilter/nf_conntrack_proto_tcp.c
index af8adcba23a7235da6a57206d36e53ef451fb67a..308d2abd7ee5815a74a0a2e03bcdb65979d1027b 100644
--- a/net/netfilter/nf_conntrack_proto_tcp.c
+++ b/net/netfilter/nf_conntrack_proto_tcp.c
@@ -823,8 +823,7 @@ static int tcp_error(struct sk_buff *skb,
/* Checksum invalid? Ignore.
* We skip checking packets on the outgoing path
- * because the semantic of CHECKSUM_HW is different there
- * and moreover root might send raw packets.
+ * because the checksum is assumed to be correct.
*/
/* FIXME: Source route IP option packets --RR */
if (nf_conntrack_checksum &&
diff --git a/net/netfilter/nf_conntrack_proto_udp.c b/net/netfilter/nf_conntrack_proto_udp.c
index ae07ebe3ab3754cd85099715d46c118aeaf5b122..d36e03139e8b5e3841920a6cce1a1e9c269f1c06 100644
--- a/net/netfilter/nf_conntrack_proto_udp.c
+++ b/net/netfilter/nf_conntrack_proto_udp.c
@@ -131,8 +131,7 @@ static int udp_error(struct sk_buff *skb, unsigned int dataoff,
/* Checksum invalid? Ignore.
* We skip checking packets on the outgoing path
- * because the semantic of CHECKSUM_HW is different there
- * and moreover root might send raw packets.
+ * because the checksum is assumed to be correct.
* FIXME: Source route IP option packets --RR */
if (nf_conntrack_checksum &&
((pf == PF_INET && hooknum == NF_IP_PRE_ROUTING) ||
diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c
index 49ef41e34c48309eb3d7dc6553056a822e6fb112..eddfbe4441a2aa0c565a2fa4f7b3e1a24bcfd5e0 100644
--- a/net/netfilter/nfnetlink_queue.c
+++ b/net/netfilter/nfnetlink_queue.c
@@ -377,9 +377,9 @@ nfqnl_build_packet_message(struct nfqnl_instance *queue,
break;
case NFQNL_COPY_PACKET:
- if (entskb->ip_summed == CHECKSUM_HW &&
- (*errp = skb_checksum_help(entskb,
- outdev == NULL))) {
+ if ((entskb->ip_summed == CHECKSUM_PARTIAL ||
+ entskb->ip_summed == CHECKSUM_COMPLETE) &&
+ (*errp = skb_checksum_help(entskb))) {
spin_unlock_bh(&queue->lock);
return NULL;
}
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 4172a5235916e3f71ee6fbed85b4c296ab9de3c4..300215bdbf46660fd748d4fc1eac44238453d465 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -586,7 +586,7 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev, struct packe
else if (skb->pkt_type == PACKET_OUTGOING) {
/* Special case: outgoing packets have ll header at head */
skb_pull(skb, skb->nh.raw - skb->data);
- if (skb->ip_summed == CHECKSUM_HW)
+ if (skb->ip_summed == CHECKSUM_PARTIAL)
status |= TP_STATUS_CSUMNOTREADY;
}
}
diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c
index a08ec4c7c55d7cfc0889d48bf5d001f483ffad4c..45939bafbdf894dfcb61a0ed993d1d79204aa5a8 100644
--- a/net/sched/sch_netem.c
+++ b/net/sched/sch_netem.c
@@ -192,8 +192,8 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch)
*/
if (q->corrupt && q->corrupt >= get_crandom(&q->corrupt_cor)) {
if (!(skb = skb_unshare(skb, GFP_ATOMIC))
- || (skb->ip_summed == CHECKSUM_HW
- && skb_checksum_help(skb, 0))) {
+ || (skb->ip_summed == CHECKSUM_PARTIAL
+ && skb_checksum_help(skb))) {
sch->qstats.drops++;
return NET_XMIT_DROP;
}
diff --git a/net/sunrpc/socklib.c b/net/sunrpc/socklib.c
index eb330d4f66d6ce79afb9a7badcc0706429abc127..6f17527b9e695684038b2824443e2ab6a80a550e 100644
--- a/net/sunrpc/socklib.c
+++ b/net/sunrpc/socklib.c
@@ -168,7 +168,7 @@ int csum_partial_copy_to_xdr(struct xdr_buf *xdr, struct sk_buff *skb)
return -1;
if ((unsigned short)csum_fold(desc.csum))
return -1;
- if (unlikely(skb->ip_summed == CHECKSUM_HW))
+ if (unlikely(skb->ip_summed == CHECKSUM_COMPLETE))
netdev_rx_csum_fault(skb->dev);
return 0;
no_checksum: