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AF_XDP-interaction: Print XSK queue_id packet was RXed on

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Now that program process all queues it is relevant to know
what queue_id received the packet.

Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
This commit is contained in:
Jesper Dangaard Brouer
2021-11-16 18:49:06 +01:00
parent 732bd6ec41
commit ae4f6a5846
1 changed files with 15 additions and 12 deletions
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27
AF_XDP-interaction/af_xdp_user.c
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@@ -471,7 +471,8 @@ static inline void csum_replace2(__sum16 *sum, __be16 old, __be16 new)
* time a packet with a new BTF-ID is seen. * time a packet with a new BTF-ID is seen.
*/ */
static int print_meta_info_time(uint8_t *pkt, struct xdp_hints_rx_time *meta) static int print_meta_info_time(uint8_t *pkt, struct xdp_hints_rx_time *meta,
__u32 qid)
{ {
__u64 time_now; // = gettime(); __u64 time_now; // = gettime();
__u64 *rx_ktime_ptr; /* Points directly to member memory */ __u64 *rx_ktime_ptr; /* Points directly to member memory */
@@ -493,14 +494,14 @@ static int print_meta_info_time(uint8_t *pkt, struct xdp_hints_rx_time *meta)
diff = time_now - rx_ktime; diff = time_now - rx_ktime;
if (debug_meta) if (debug_meta)
printf("meta-time rx_ktime:%llu time_now:%llu diff:%llu ns\n", printf("Q[%u] meta-time rx_ktime:%llu time_now:%llu diff:%llu ns\n",
rx_ktime, time_now, diff); qid, rx_ktime, time_now, diff);
return 0; return 0;
} }
/* Demo API xsk_btf__read_field() that use string for BTF lookup */ /* Demo API xsk_btf__read_field() that use string for BTF lookup */
static int print_meta_info_time_api2(uint8_t *pkt) static int print_meta_info_time_api2(uint8_t *pkt, __u32 qid)
{ {
struct xsk_btf_info *xbi = xdp_hints_rx_time.xbi; struct xsk_btf_info *xbi = xdp_hints_rx_time.xbi;
__u64 time_now; // = gettime(); __u64 time_now; // = gettime();
@@ -526,13 +527,14 @@ static int print_meta_info_time_api2(uint8_t *pkt)
diff = time_now - rx_ktime; diff = time_now - rx_ktime;
if (debug_meta) if (debug_meta)
printf("meta-time rx_ktime:%llu time_now:%llu diff:%llu ns\n", printf("Q[%u] meta-time rx_ktime:%llu time_now:%llu diff:%llu ns\n",
rx_ktime, time_now, diff); qid, rx_ktime, time_now, diff);
return 0; return 0;
} }
static void print_meta_info_mark(uint8_t *pkt, struct xdp_hints_mark *meta) static void print_meta_info_mark(uint8_t *pkt, struct xdp_hints_mark *meta,
__u32 qid)
{ {
struct xsk_btf_info *xbi = meta->xbi; struct xsk_btf_info *xbi = meta->xbi;
__u32 mark = 0; __u32 mark = 0;
@@ -540,12 +542,13 @@ static void print_meta_info_mark(uint8_t *pkt, struct xdp_hints_mark *meta)
/* The 'mark' value is not updated in case of errors */ /* The 'mark' value is not updated in case of errors */
XSK_BTF_READ_INTO(mark, &meta->mark, xbi, pkt); XSK_BTF_READ_INTO(mark, &meta->mark, xbi, pkt);
if (debug_meta) if (debug_meta)
printf("meta-mark mark:%u\n", mark); printf("Q[%u] meta-mark mark:%u\n", qid, mark);
} }
static void print_meta_info_via_btf( uint8_t *pkt) static void print_meta_info_via_btf(uint8_t *pkt, struct xsk_socket_info *xsk)
{ {
__u32 btf_id = xsk_umem__btf_id(pkt); __u32 btf_id = xsk_umem__btf_id(pkt);
__u32 qid = xsk->queue_id;
if (btf_id == 0) { if (btf_id == 0) {
if (debug_meta) if (debug_meta)
@@ -554,10 +557,10 @@ static void print_meta_info_via_btf( uint8_t *pkt)
} }
if (btf_id == xdp_hints_rx_time.btf_type_id) { if (btf_id == xdp_hints_rx_time.btf_type_id) {
print_meta_info_time(pkt, &xdp_hints_rx_time); print_meta_info_time(pkt, &xdp_hints_rx_time, qid);
} else if (btf_id == xdp_hints_mark.btf_type_id) { } else if (btf_id == xdp_hints_mark.btf_type_id) {
print_meta_info_mark(pkt, &xdp_hints_mark); print_meta_info_mark(pkt, &xdp_hints_mark, qid);
} }
} }
@@ -594,7 +597,7 @@ static bool process_packet(struct xsk_socket_info *xsk,
{ {
uint8_t *pkt = xsk_umem__get_data(xsk->umem->buffer, addr); uint8_t *pkt = xsk_umem__get_data(xsk->umem->buffer, addr);
print_meta_info_via_btf(pkt); print_meta_info_via_btf(pkt, xsk);
//if (debug) //if (debug)
// printf("XXX addr:0x%lX pkt_ptr:0x%p\n", addr, pkt); // printf("XXX addr:0x%lX pkt_ptr:0x%p\n", addr, pkt);