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Rework IPv6 header matching with dynamic filters and add packet length to logging event.

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This commit is contained in:
Christian Deacon
2025-03-10 17:08:03 -04:00
parent 9ecbf7fc4a
commit c88a010aae
5 changed files with 20 additions and 14 deletions
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5
src/xdp/utils/logging.c
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@@ -16,11 +16,12 @@
* @param now The timestamp.
* @param pps The current PPS rate.
* @param bps The current BPS rate.
* @param pkt_len The full packet length.
* @param filter_id The filter ID that matched.
*
* @return always 0
*/
static __always_inline int log_filter_msg(struct iphdr* iph, struct ipv6hdr* iph6, u16 src_port, u16 dst_port, u8 protocol, u64 now, u64 pps, u64 bps, int filter_id)
static __always_inline int log_filter_msg(struct iphdr* iph, struct ipv6hdr* iph6, u16 src_port, u16 dst_port, u8 protocol, u64 now, u64 pps, u64 bps, int pkt_len, int filter_id)
{
filter_log_event_t* e = bpf_ringbuf_reserve(&map_filter_log, sizeof(*e), 0);
@@ -47,6 +48,8 @@ static __always_inline int log_filter_msg(struct iphdr* iph, struct ipv6hdr* iph
e->pps = pps;
e->bps = bps;
e->length = pkt_len;
bpf_ringbuf_submit(e, 0);
}