bnx2x: adopt skb_network_header_len() more broadly

JIRA: https://issues.redhat.com/browse/RHEL-52258
JIRA: https://issues.redhat.com/browse/RHEL-52667

Conflicts: Only the bnx2x hunk.

commit cc15bd1
Author: Eric Dumazet <edumazet@google.com>
Date:   Thu Feb 29 09:39:08 2024 +0000

    net: adopt skb_network_header_len() more broadly

    (skb_transport_header(skb) - skb_network_header(skb))
    can be replaced by skb_network_header_len(skb)

    Add a DEBUG_NET_WARN_ON_ONCE() in skb_network_header_len()
    to catch cases were the transport_header was not set.

    Signed-off-by: Eric Dumazet <edumazet@google.com>
    Signed-off-by: David S. Miller <davem@davemloft.net>

Signed-off-by: Michal Schmidt <mschmidt@redhat.com>

Author: michich

drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c

@@ -3621,8 +3621,7 @@ static u8 bnx2x_set_pbd_csum(struct bnx2x *bp, struct sk_buff *skb,
 			    ((skb->protocol == cpu_to_be16(ETH_P_8021Q)) <<
 			     ETH_TX_PARSE_BD_E1X_LLC_SNAP_EN_SHIFT));
 
-	pbd->ip_hlen_w = (skb_transport_header(skb) -
-			skb_network_header(skb)) >> 1;
+	pbd->ip_hlen_w = skb_network_header_len(skb) >> 1;
 
 	hlen += pbd->ip_hlen_w;