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path: root/drivers/net/ehea/ehea_main.c
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Diffstat (limited to 'drivers/net/ehea/ehea_main.c')
-rw-r--r--drivers/net/ehea/ehea_main.c39
1 files changed, 21 insertions, 18 deletions
diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c
index 0e4042b..58364a0 100644
--- a/drivers/net/ehea/ehea_main.c
+++ b/drivers/net/ehea/ehea_main.c
@@ -391,8 +391,8 @@ static int ehea_poll(struct net_device *dev, int *budget)
if (!skb)
break;
}
- memcpy(skb->data, ((char*)cqe) + 64,
- cqe->num_bytes_transfered - 4);
+ skb_copy_to_linear_data(skb, ((char*)cqe) + 64,
+ cqe->num_bytes_transfered - 4);
ehea_fill_skb(dev, skb, cqe);
} else if (rq == 2) { /* RQ2 */
skb = get_skb_by_index(skb_arr_rq2,
@@ -1262,8 +1262,8 @@ static int ehea_clean_portres(struct ehea_port *port, struct ehea_port_res *pr)
static inline void write_ip_start_end(struct ehea_swqe *swqe,
const struct sk_buff *skb)
{
- swqe->ip_start = (u8)(((u64)skb->nh.iph) - ((u64)skb->data));
- swqe->ip_end = (u8)(swqe->ip_start + skb->nh.iph->ihl * 4 - 1);
+ swqe->ip_start = skb_network_offset(skb);
+ swqe->ip_end = (u8)(swqe->ip_start + ip_hdrlen(skb) - 1);
}
static inline void write_tcp_offset_end(struct ehea_swqe *swqe,
@@ -1300,13 +1300,13 @@ static void write_swqe2_TSO(struct sk_buff *skb,
/* copy only eth/ip/tcp headers to immediate data and
* the rest of skb->data to sg1entry
*/
- headersize = ETH_HLEN + (skb->nh.iph->ihl * 4) + (skb->h.th->doff * 4);
+ headersize = ETH_HLEN + ip_hdrlen(skb) + tcp_hdrlen(skb);
skb_data_size = skb->len - skb->data_len;
if (skb_data_size >= headersize) {
/* copy immediate data */
- memcpy(imm_data, skb->data, headersize);
+ skb_copy_from_linear_data(skb, imm_data, headersize);
swqe->immediate_data_length = headersize;
if (skb_data_size > headersize) {
@@ -1337,7 +1337,7 @@ static void write_swqe2_nonTSO(struct sk_buff *skb,
*/
if (skb_data_size >= SWQE2_MAX_IMM) {
/* copy immediate data */
- memcpy(imm_data, skb->data, SWQE2_MAX_IMM);
+ skb_copy_from_linear_data(skb, imm_data, SWQE2_MAX_IMM);
swqe->immediate_data_length = SWQE2_MAX_IMM;
@@ -1350,7 +1350,7 @@ static void write_swqe2_nonTSO(struct sk_buff *skb,
swqe->descriptors++;
}
} else {
- memcpy(imm_data, skb->data, skb_data_size);
+ skb_copy_from_linear_data(skb, imm_data, skb_data_size);
swqe->immediate_data_length = skb_data_size;
}
}
@@ -1688,6 +1688,7 @@ static void ehea_xmit2(struct sk_buff *skb, struct net_device *dev,
struct ehea_swqe *swqe, u32 lkey)
{
if (skb->protocol == htons(ETH_P_IP)) {
+ const struct iphdr *iph = ip_hdr(skb);
/* IPv4 */
swqe->tx_control |= EHEA_SWQE_CRC
| EHEA_SWQE_IP_CHECKSUM
@@ -1697,15 +1698,15 @@ static void ehea_xmit2(struct sk_buff *skb, struct net_device *dev,
write_ip_start_end(swqe, skb);
- if (skb->nh.iph->protocol == IPPROTO_UDP) {
- if ((skb->nh.iph->frag_off & IP_MF) ||
- (skb->nh.iph->frag_off & IP_OFFSET))
+ if (iph->protocol == IPPROTO_UDP) {
+ if ((iph->frag_off & IP_MF) ||
+ (iph->frag_off & IP_OFFSET))
/* IP fragment, so don't change cs */
swqe->tx_control &= ~EHEA_SWQE_TCP_CHECKSUM;
else
write_udp_offset_end(swqe, skb);
- } else if (skb->nh.iph->protocol == IPPROTO_TCP) {
+ } else if (iph->protocol == IPPROTO_TCP) {
write_tcp_offset_end(swqe, skb);
}
@@ -1731,10 +1732,11 @@ static void ehea_xmit3(struct sk_buff *skb, struct net_device *dev,
int i;
if (skb->protocol == htons(ETH_P_IP)) {
+ const struct iphdr *iph = ip_hdr(skb);
/* IPv4 */
write_ip_start_end(swqe, skb);
- if (skb->nh.iph->protocol == IPPROTO_TCP) {
+ if (iph->protocol == IPPROTO_TCP) {
swqe->tx_control |= EHEA_SWQE_CRC
| EHEA_SWQE_IP_CHECKSUM
| EHEA_SWQE_TCP_CHECKSUM
@@ -1742,9 +1744,9 @@ static void ehea_xmit3(struct sk_buff *skb, struct net_device *dev,
write_tcp_offset_end(swqe, skb);
- } else if (skb->nh.iph->protocol == IPPROTO_UDP) {
- if ((skb->nh.iph->frag_off & IP_MF) ||
- (skb->nh.iph->frag_off & IP_OFFSET))
+ } else if (iph->protocol == IPPROTO_UDP) {
+ if ((iph->frag_off & IP_MF) ||
+ (iph->frag_off & IP_OFFSET))
/* IP fragment, so don't change cs */
swqe->tx_control |= EHEA_SWQE_CRC
| EHEA_SWQE_IMM_DATA_PRESENT;
@@ -1770,10 +1772,11 @@ static void ehea_xmit3(struct sk_buff *skb, struct net_device *dev,
/* copy (immediate) data */
if (nfrags == 0) {
/* data is in a single piece */
- memcpy(imm_data, skb->data, skb->len);
+ skb_copy_from_linear_data(skb, imm_data, skb->len);
} else {
/* first copy data from the skb->data buffer ... */
- memcpy(imm_data, skb->data, skb->len - skb->data_len);
+ skb_copy_from_linear_data(skb, imm_data,
+ skb->len - skb->data_len);
imm_data += skb->len - skb->data_len;
/* ... then copy data from the fragments */
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