From 918ae9dc775e4fe9033474619260611d2b4fb662 Mon Sep 17 00:00:00 2001 From: Olivier Matz Date: Tue, 4 Apr 2017 18:28:07 +0200 Subject: [PATCH] mbuf: add a timestamp field The field itself is not fully described yet, but this commit reserves the room in the mbuf. Signed-off-by: Olivier Matz --- lib/librte_mbuf/rte_mbuf.c | 2 ++ lib/librte_mbuf/rte_mbuf.h | 12 ++++++++++++ 2 files changed, 14 insertions(+) diff --git a/lib/librte_mbuf/rte_mbuf.c b/lib/librte_mbuf/rte_mbuf.c index 207bf3dd32..0e3e36a58c 100644 --- a/lib/librte_mbuf/rte_mbuf.c +++ b/lib/librte_mbuf/rte_mbuf.c @@ -323,6 +323,7 @@ const char *rte_get_rx_ol_flag_name(uint64_t mask) case PKT_RX_IEEE1588_TMST: return "PKT_RX_IEEE1588_TMST"; case PKT_RX_QINQ_STRIPPED: return "PKT_RX_QINQ_STRIPPED"; case PKT_RX_LRO: return "PKT_RX_LRO"; + case PKT_RX_TIMESTAMP: return "PKT_RX_TIMESTAMP"; default: return NULL; } } @@ -357,6 +358,7 @@ rte_get_rx_ol_flag_list(uint64_t mask, char *buf, size_t buflen) { PKT_RX_IEEE1588_TMST, PKT_RX_IEEE1588_TMST, NULL }, { PKT_RX_QINQ_STRIPPED, PKT_RX_QINQ_STRIPPED, NULL }, { PKT_RX_LRO, PKT_RX_LRO, NULL }, + { PKT_RX_TIMESTAMP, PKT_RX_TIMESTAMP, NULL }, }; const char *name; unsigned int i; diff --git a/lib/librte_mbuf/rte_mbuf.h b/lib/librte_mbuf/rte_mbuf.h index 349f0512ea..9dd8e807e2 100644 --- a/lib/librte_mbuf/rte_mbuf.h +++ b/lib/librte_mbuf/rte_mbuf.h @@ -184,6 +184,11 @@ extern "C" { */ #define PKT_RX_LRO (1ULL << 16) +/** + * Indicate that the timestamp field in the mbuf is valid. + */ +#define PKT_RX_TIMESTAMP (1ULL << 17) + /* add new RX flags here */ /* add new TX flags here */ @@ -481,6 +486,12 @@ struct rte_mbuf { uint16_t vlan_tci_outer; uint16_t buf_len; /**< Length of segment buffer. */ + + /** Valid if PKT_RX_TIMESTAMP is set. The unit and time reference + * are not normalized but are always the same for a given port. + */ + uint64_t timestamp; + /* second cache line - fields only used in slow path or on TX */ MARKER cacheline1 __rte_cache_min_aligned; @@ -1208,6 +1219,7 @@ static inline void rte_pktmbuf_attach(struct rte_mbuf *mi, struct rte_mbuf *m) mi->nb_segs = 1; mi->ol_flags = m->ol_flags | IND_ATTACHED_MBUF; mi->packet_type = m->packet_type; + mi->timestamp = m->timestamp; __rte_mbuf_sanity_check(mi, 1); __rte_mbuf_sanity_check(m, 0); -- 2.20.1