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Message-ID: <20240406160825.1587913-1-edumazet@google.com>
Date: Sat, 6 Apr 2024 16:08:25 +0000
From: Eric Dumazet <edumazet@...gle.com>
To: "David S . Miller" <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>
Cc: Willem de Bruijn <willemb@...gle.com>, netdev@...r.kernel.org, eric.dumazet@...il.com,
Eric Dumazet <edumazet@...gle.com>
Subject: [PATCH net-next] net: display more skb fields in skb_dump()
Print these additional fields in skb_dump()
- mac_len
- priority
- mark
- alloc_cpu
- vlan_all
- encapsulation
- inner_protocol
- inner_mac_header
- inner_network_header
- inner_transport_header
Signed-off-by: Eric Dumazet <edumazet@...gle.com>
---
net/core/skbuff.c | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 2a5ce6667bbb9bb70e89d47abda5daca5d16aae2..fa0d1364657e001c6668aafaf2c2a3d434980798 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -1304,13 +1304,16 @@ void skb_dump(const char *level, const struct sk_buff *skb, bool full_pkt)
has_trans = skb_transport_header_was_set(skb);
printk("%sskb len=%u headroom=%u headlen=%u tailroom=%u\n"
- "mac=(%d,%d) net=(%d,%d) trans=%d\n"
+ "mac=(%d,%d) mac_len=%u net=(%d,%d) trans=%d\n"
"shinfo(txflags=%u nr_frags=%u gso(size=%hu type=%u segs=%hu))\n"
"csum(0x%x ip_summed=%u complete_sw=%u valid=%u level=%u)\n"
- "hash(0x%x sw=%u l4=%u) proto=0x%04x pkttype=%u iif=%d\n",
+ "hash(0x%x sw=%u l4=%u) proto=0x%04x pkttype=%u iif=%d\n"
+ "priority=0x%x mark=0x%x alloc_cpu=%u vlan_all=0x%x\n"
+ "encapsulation=%d inner(proto=0x%04x, mac=%u, net=%u, trans=%u)\n",
level, skb->len, headroom, skb_headlen(skb), tailroom,
has_mac ? skb->mac_header : -1,
has_mac ? skb_mac_header_len(skb) : -1,
+ skb->mac_len,
skb->network_header,
has_trans ? skb_network_header_len(skb) : -1,
has_trans ? skb->transport_header : -1,
@@ -1319,7 +1322,10 @@ void skb_dump(const char *level, const struct sk_buff *skb, bool full_pkt)
skb->csum, skb->ip_summed, skb->csum_complete_sw,
skb->csum_valid, skb->csum_level,
skb->hash, skb->sw_hash, skb->l4_hash,
- ntohs(skb->protocol), skb->pkt_type, skb->skb_iif);
+ ntohs(skb->protocol), skb->pkt_type, skb->skb_iif,
+ skb->priority, skb->mark, skb->alloc_cpu, skb->vlan_all,
+ skb->encapsulation, skb->inner_protocol, skb->inner_mac_header,
+ skb->inner_network_header, skb->inner_transport_header);
if (dev)
printk("%sdev name=%s feat=%pNF\n",
--
2.44.0.478.gd926399ef9-goog
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