From a2ba0b9fe8f744570592eb85825e87f5afd71e8f Mon Sep 17 00:00:00 2001 From: Maciej Gajdzica Date: Fri, 19 Jun 2015 11:41:17 +0200 Subject: [PATCH] port: add fragmentation stats Added statistics for IPv4 and IPv6 fragmentation ports. Signed-off-by: Maciej Gajdzica Acked-by: Cristian Dumitrescu --- lib/librte_port/rte_port_frag.c | 36 +++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/lib/librte_port/rte_port_frag.c b/lib/librte_port/rte_port_frag.c index c4c05dc6ae..3720d5dba3 100644 --- a/lib/librte_port/rte_port_frag.c +++ b/lib/librte_port/rte_port_frag.c @@ -41,6 +41,20 @@ /* Max number of fragments per packet allowed */ #define RTE_PORT_FRAG_MAX_FRAGS_PER_PACKET 0x80 +#ifdef RTE_PORT_STATS_COLLECT + +#define RTE_PORT_RING_READER_FRAG_STATS_PKTS_IN_ADD(port, val) \ + port->stats.n_pkts_in += val +#define RTE_PORT_RING_READER_FRAG_STATS_PKTS_DROP_ADD(port, val) \ + port->stats.n_pkts_drop += val + +#else + +#define RTE_PORT_RING_READER_FRAG_STATS_PKTS_IN_ADD(port, val) +#define RTE_PORT_RING_READER_FRAG_STATS_PKTS_DROP_ADD(port, val) + +#endif + typedef int32_t (*frag_op)(struct rte_mbuf *pkt_in, struct rte_mbuf **pkts_out, @@ -50,6 +64,8 @@ typedef int32_t struct rte_mempool *pool_indirect); struct rte_port_ring_reader_frag { + struct rte_port_in_stats stats; + /* Input parameters */ struct rte_ring *ring; uint32_t mtu; @@ -171,6 +187,7 @@ rte_port_ring_reader_frag_rx(void *port, if (p->n_pkts == 0) { p->n_pkts = rte_ring_sc_dequeue_burst(p->ring, (void **) p->pkts, RTE_PORT_IN_BURST_SIZE_MAX); + RTE_PORT_RING_READER_FRAG_STATS_PKTS_IN_ADD(p, p->n_pkts); if (p->n_pkts == 0) return n_pkts_out; p->pos_pkts = 0; @@ -203,6 +220,7 @@ rte_port_ring_reader_frag_rx(void *port, if (status < 0) { rte_pktmbuf_free(pkt); + RTE_PORT_RING_READER_FRAG_STATS_PKTS_DROP_ADD(p, 1); continue; } @@ -252,6 +270,22 @@ rte_port_ring_reader_frag_free(void *port) return 0; } +static int +rte_port_frag_reader_stats_read(void *port, + struct rte_port_in_stats *stats, int clear) +{ + struct rte_port_ring_reader_frag *p = + (struct rte_port_ring_reader_frag *) port; + + if (stats != NULL) + memcpy(stats, &p->stats, sizeof(p->stats)); + + if (clear) + memset(&p->stats, 0, sizeof(p->stats)); + + return 0; +} + /* * Summary of port operations */ @@ -259,10 +293,12 @@ struct rte_port_in_ops rte_port_ring_reader_ipv4_frag_ops = { .f_create = rte_port_ring_reader_ipv4_frag_create, .f_free = rte_port_ring_reader_frag_free, .f_rx = rte_port_ring_reader_frag_rx, + .f_stats = rte_port_frag_reader_stats_read, }; struct rte_port_in_ops rte_port_ring_reader_ipv6_frag_ops = { .f_create = rte_port_ring_reader_ipv6_frag_create, .f_free = rte_port_ring_reader_frag_free, .f_rx = rte_port_ring_reader_frag_rx, + .f_stats = rte_port_frag_reader_stats_read, }; -- 2.20.1