d/numam-dpdk
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

mbuf: add a timestamp field

Browse Source 
The field itself is not fully described yet, but this commit reserves
the room in the mbuf.

Signed-off-by: Olivier Matz <olivier.matz@6wind.com>
This commit is contained in:
Olivier Matz 2017-04-04 18:28:07 +02:00 committed by Thomas Monjalon
parent a22659550c
commit 918ae9dc77
2 changed files with 14 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
lib/librte_mbuf/rte_mbuf.c
View File

@ -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;

12
lib/librte_mbuf/rte_mbuf.h
View File

@ -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);