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authorEric Dumazet <edumazet@google.com>2022-06-30 15:07:50 +0000
committerDavid S. Miller <davem@davemloft.net>2022-07-02 16:22:25 +0100
commit504148fedb854299972d164b001357b888a9193e (patch)
tree6039f99c8ba79b59026808ea7d9de215d1c59903 /drivers/net/ethernet/mellanox
parentqlogic/qed: fix repeated words in comments (diff)
downloadlinux-dev-504148fedb854299972d164b001357b888a9193e.tar.xz
linux-dev-504148fedb854299972d164b001357b888a9193e.zip
net: add skb_[inner_]tcp_all_headers helpers
Most drivers use "skb_transport_offset(skb) + tcp_hdrlen(skb)" to compute headers length for a TCP packet, but others use more convoluted (but equivalent) ways. Add skb_tcp_all_headers() and skb_inner_tcp_all_headers() helpers to harmonize this a bit. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox')
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/en_tx.c4
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c2
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_tx.c4
3 files changed, 5 insertions, 5 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c
index af3b2b59a2a6..43a4102e9c09 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c
@@ -645,7 +645,7 @@ static int get_real_size(const struct sk_buff *skb,
*inline_ok = false;
*hopbyhop = 0;
if (skb->encapsulation) {
- *lso_header_size = (skb_inner_transport_header(skb) - skb->data) + inner_tcp_hdrlen(skb);
+ *lso_header_size = skb_inner_tcp_all_headers(skb);
} else {
/* Detects large IPV6 TCP packets and prepares for removal of
* HBH header that has been pushed by ip6_xmit(),
@@ -653,7 +653,7 @@ static int get_real_size(const struct sk_buff *skb,
*/
if (ipv6_has_hopopt_jumbo(skb))
*hopbyhop = sizeof(struct hop_jumbo_hdr);
- *lso_header_size = skb_transport_offset(skb) + tcp_hdrlen(skb);
+ *lso_header_size = skb_tcp_all_headers(skb);
}
real_size = CTRL_SIZE + shinfo->nr_frags * DS_SIZE +
ALIGN(*lso_header_size - *hopbyhop + 4, DS_SIZE);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c
index 4b6f0d1ea59a..cc5cb3010e64 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c
@@ -458,7 +458,7 @@ bool mlx5e_ktls_handle_tx_skb(struct net_device *netdev, struct mlx5e_txqsq *sq,
int datalen;
u32 seq;
- datalen = skb->len - (skb_transport_offset(skb) + tcp_hdrlen(skb));
+ datalen = skb->len - skb_tcp_all_headers(skb);
if (!datalen)
return true;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
index 50d14cec4894..64d78fd99c6e 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
@@ -152,14 +152,14 @@ mlx5e_tx_get_gso_ihs(struct mlx5e_txqsq *sq, struct sk_buff *skb, int *hopbyhop)
*hopbyhop = 0;
if (skb->encapsulation) {
- ihs = skb_inner_transport_offset(skb) + inner_tcp_hdrlen(skb);
+ ihs = skb_tcp_all_headers(skb);
stats->tso_inner_packets++;
stats->tso_inner_bytes += skb->len - ihs;
} else {
if (skb_shinfo(skb)->gso_type & SKB_GSO_UDP_L4) {
ihs = skb_transport_offset(skb) + sizeof(struct udphdr);
} else {
- ihs = skb_transport_offset(skb) + tcp_hdrlen(skb);
+ ihs = skb_tcp_all_headers(skb);
if (ipv6_has_hopopt_jumbo(skb)) {
*hopbyhop = sizeof(struct hop_jumbo_hdr);
ihs -= sizeof(struct hop_jumbo_hdr);