From: Olivier Matz <olivier.matz@6wind.com>
To: dev@dpdk.org
Subject: [dpdk-dev] [PATCH 14/18] mbuf: get ptype for the first layers only
Date: Tue, 5 Jul 2016 17:41:46 +0200 [thread overview]
Message-ID: <1467733310-20875-15-git-send-email-olivier.matz@6wind.com> (raw)
In-Reply-To: <1467733310-20875-1-git-send-email-olivier.matz@6wind.com>
Add a parameter to rte_pktmbuf_get_ptype() to select which
layers should be parsed. This avoids to parse all layers if
only the first ones are required.
Signed-off-by: Olivier Matz <olivier.matz@6wind.com>
---
lib/librte_mbuf/rte_mbuf_ptype.c | 33 ++++++++++++++++++++++++++++++++-
lib/librte_mbuf/rte_mbuf_ptype.h | 7 ++++++-
2 files changed, 38 insertions(+), 2 deletions(-)
diff --git a/lib/librte_mbuf/rte_mbuf_ptype.c b/lib/librte_mbuf/rte_mbuf_ptype.c
index e5be308..2abb896 100644
--- a/lib/librte_mbuf/rte_mbuf_ptype.c
+++ b/lib/librte_mbuf/rte_mbuf_ptype.c
@@ -254,7 +254,7 @@ skip_ip6_ext(uint16_t proto, const struct rte_mbuf *m, uint32_t *off,
/* parse mbuf data to get packet type */
uint32_t rte_pktmbuf_get_ptype(const struct rte_mbuf *m,
- struct rte_mbuf_hdr_lens *hdr_lens)
+ struct rte_mbuf_hdr_lens *hdr_lens, uint32_t layers)
{
struct rte_mbuf_hdr_lens local_hdr_lens;
const struct ether_hdr *eh;
@@ -273,6 +273,9 @@ uint32_t rte_pktmbuf_get_ptype(const struct rte_mbuf *m,
off = sizeof(*eh);
hdr_lens->l2_len = off;
+ if ((layers & RTE_PTYPE_L2_MASK) == 0)
+ return 0;
+
if (proto == rte_cpu_to_be_16(ETHER_TYPE_IPv4))
goto l3; /* fast path if packet is IPv4 */
@@ -322,6 +325,9 @@ uint32_t rte_pktmbuf_get_ptype(const struct rte_mbuf *m,
}
l3:
+ if ((layers & RTE_PTYPE_L3_MASK) == 0)
+ return pkt_type;
+
if (proto == rte_cpu_to_be_16(ETHER_TYPE_IPv4)) {
const struct ipv4_hdr *ip4h;
struct ipv4_hdr ip4h_copy;
@@ -333,6 +339,10 @@ uint32_t rte_pktmbuf_get_ptype(const struct rte_mbuf *m,
pkt_type |= ptype_l3_ip(ip4h->version_ihl);
hdr_lens->l3_len = ip4_hlen(ip4h);
off += hdr_lens->l3_len;
+
+ if ((layers & RTE_PTYPE_L4_MASK) == 0)
+ return pkt_type;
+
if (ip4h->fragment_offset & rte_cpu_to_be_16(
IPV4_HDR_OFFSET_MASK | IPV4_HDR_MF_FLAG)) {
pkt_type |= RTE_PTYPE_L4_FRAG;
@@ -360,6 +370,10 @@ uint32_t rte_pktmbuf_get_ptype(const struct rte_mbuf *m,
}
if (proto == 0)
return pkt_type;
+
+ if ((layers & RTE_PTYPE_L4_MASK) == 0)
+ return pkt_type;
+
if (frag) {
pkt_type |= RTE_PTYPE_L4_FRAG;
hdr_lens->l4_len = 0;
@@ -388,6 +402,10 @@ uint32_t rte_pktmbuf_get_ptype(const struct rte_mbuf *m,
uint32_t prev_off = off;
hdr_lens->l4_len = 0;
+
+ if ((layers & RTE_PTYPE_TUNNEL_MASK) == 0)
+ return pkt_type;
+
pkt_type |= ptype_tunnel(&proto, m, &off);
hdr_lens->tunnel_len = off - prev_off;
}
@@ -395,6 +413,9 @@ uint32_t rte_pktmbuf_get_ptype(const struct rte_mbuf *m,
/* same job for inner header: we need to duplicate the code
* because the packet types do not have the same value.
*/
+ if ((layers & RTE_PTYPE_INNER_L2_MASK) == 0)
+ return pkt_type;
+
if (proto == rte_cpu_to_be_16(ETHER_TYPE_TEB)) {
eh = rte_pktmbuf_read(m, off, sizeof(*eh), &eh_copy);
if (unlikely(eh == NULL))
@@ -438,6 +459,9 @@ uint32_t rte_pktmbuf_get_ptype(const struct rte_mbuf *m,
return pkt_type;
}
+ if ((layers & RTE_PTYPE_INNER_L3_MASK) == 0)
+ return pkt_type;
+
if (proto == rte_cpu_to_be_16(ETHER_TYPE_IPv4)) {
const struct ipv4_hdr *ip4h;
struct ipv4_hdr ip4h_copy;
@@ -449,6 +473,9 @@ uint32_t rte_pktmbuf_get_ptype(const struct rte_mbuf *m,
pkt_type |= ptype_inner_l3_ip(ip4h->version_ihl);
hdr_lens->inner_l3_len = ip4_hlen(ip4h);
off += hdr_lens->inner_l3_len;
+
+ if ((layers & RTE_PTYPE_INNER_L4_MASK) == 0)
+ return pkt_type;
if (ip4h->fragment_offset &
rte_cpu_to_be_16(IPV4_HDR_OFFSET_MASK |
IPV4_HDR_MF_FLAG)) {
@@ -481,6 +508,10 @@ uint32_t rte_pktmbuf_get_ptype(const struct rte_mbuf *m,
}
if (proto == 0)
return pkt_type;
+
+ if ((layers & RTE_PTYPE_INNER_L4_MASK) == 0)
+ return pkt_type;
+
if (frag) {
pkt_type |= RTE_PTYPE_INNER_L4_FRAG;
hdr_lens->inner_l4_len = 0;
diff --git a/lib/librte_mbuf/rte_mbuf_ptype.h b/lib/librte_mbuf/rte_mbuf_ptype.h
index be3ad96..9af52b4 100644
--- a/lib/librte_mbuf/rte_mbuf_ptype.h
+++ b/lib/librte_mbuf/rte_mbuf_ptype.h
@@ -622,11 +622,16 @@ struct rte_mbuf_hdr_lens {
* @param hdr_lens
* A pointer to a structure where the header lengths will be returned,
* or NULL.
+ * @param layers
+ * List of layers to parse. The function will stop at the first
+ * empty layer. Examples:
+ * - To parse all known layers, use RTE_PTYPE_ALL_MASK.
+ * - To parse only L2 and L3, use RTE_PTYPE_L2_MASK | RTE_PTYPE_L3_MASK
* @return
* The packet type of the packet.
*/
uint32_t rte_pktmbuf_get_ptype(const struct rte_mbuf *m,
- struct rte_mbuf_hdr_lens *hdr_lens);
+ struct rte_mbuf_hdr_lens *hdr_lens, uint32_t layers);
#ifdef __cplusplus
}
--
2.8.1
next prev parent reply other threads:[~2016-07-05 15:42 UTC|newest]
Thread overview: 71+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-05 15:41 [dpdk-dev] [PATCH 00/18] software parser for packet type Olivier Matz
2016-07-05 15:41 ` [dpdk-dev] [PATCH 01/18] doc: add template for release notes 16.11 Olivier Matz
2016-07-06 11:48 ` Mcnamara, John
2016-07-06 12:00 ` Olivier MATZ
2016-07-05 15:41 ` [dpdk-dev] [PATCH 02/18] mbuf: add function to read packet data Olivier Matz
2016-07-05 15:41 ` [dpdk-dev] [PATCH 03/18] net: move Ethernet header definitions to the net library Olivier Matz
2016-07-05 15:41 ` [dpdk-dev] [PATCH 04/18] mbuf: move packet type definitions in a new file Olivier Matz
2016-07-05 15:41 ` [dpdk-dev] [PATCH 05/18] mbuf: add function to get packet type from data Olivier Matz
2016-07-06 6:44 ` Liang, Cunming
2016-07-06 7:42 ` Olivier MATZ
2016-07-06 11:59 ` Chilikin, Andrey
2016-07-06 12:08 ` Olivier MATZ
2016-07-06 12:21 ` Chilikin, Andrey
2016-07-07 8:19 ` Liang, Cunming
2016-07-07 15:48 ` Olivier Matz
2016-07-08 10:08 ` Liang, Cunming
2016-07-05 15:41 ` [dpdk-dev] [PATCH 06/18] mbuf: support Vlan in software packet type parser Olivier Matz
2016-07-05 15:41 ` [dpdk-dev] [PATCH 07/18] mbuf: support QinQ " Olivier Matz
2016-07-05 15:41 ` [dpdk-dev] [PATCH 08/18] net: add Mpls header structure Olivier Matz
2016-07-05 15:41 ` [dpdk-dev] [PATCH 09/18] mbuf: support Mpls in software packet type parser Olivier Matz
2016-07-06 7:08 ` Liang, Cunming
2016-07-06 8:00 ` Olivier MATZ
2016-07-07 8:48 ` Liang, Cunming
2016-07-07 16:01 ` Olivier Matz
2016-07-05 15:41 ` [dpdk-dev] [PATCH 10/18] mbuf: support Ip tunnels " Olivier Matz
2016-07-05 15:41 ` [dpdk-dev] [PATCH 11/18] net: add Gre header structure Olivier Matz
2016-07-05 15:41 ` [dpdk-dev] [PATCH 12/18] mbuf: support Gre in software packet type parser Olivier Matz
2016-07-05 15:41 ` [dpdk-dev] [PATCH 13/18] mbuf: support Nvgre " Olivier Matz
2016-07-05 15:41 ` Olivier Matz [this message]
2016-07-05 15:41 ` [dpdk-dev] [PATCH 15/18] mbuf: add functions to dump packet type Olivier Matz
2016-07-05 15:41 ` [dpdk-dev] [PATCH 16/18] mbuf: clarify definition of fragment packet types Olivier Matz
2016-07-05 15:41 ` [dpdk-dev] [PATCH 17/18] app/testpmd: dump ptype using the new function Olivier Matz
2016-07-05 15:41 ` [dpdk-dev] [PATCH 18/18] app/testpmd: display sw packet type Olivier Matz
2016-08-29 14:35 ` [dpdk-dev] [PATCH v2 00/16] software parser for " Olivier Matz
2016-08-29 14:35 ` [dpdk-dev] [PATCH v2 01/16] mbuf: add function to read packet data Olivier Matz
2016-08-29 14:35 ` [dpdk-dev] [PATCH v2 02/16] net: move Ethernet header definitions to the net library Olivier Matz
2016-08-29 14:35 ` [dpdk-dev] [PATCH v2 03/16] mbuf: move packet type definitions in a new file Olivier Matz
2016-08-29 14:35 ` [dpdk-dev] [PATCH v2 04/16] net: introduce net library Olivier Matz
2016-08-29 14:35 ` [dpdk-dev] [PATCH v2 05/16] net: add function to get packet type from data Olivier Matz
2016-08-29 14:35 ` [dpdk-dev] [PATCH v2 06/16] net: support Vlan in software packet type parser Olivier Matz
2016-08-29 14:35 ` [dpdk-dev] [PATCH v2 07/16] net: support QinQ " Olivier Matz
2016-08-29 14:35 ` [dpdk-dev] [PATCH v2 08/16] net: support Ip tunnels " Olivier Matz
2016-08-29 14:35 ` [dpdk-dev] [PATCH v2 09/16] net: add Gre header structure Olivier Matz
2016-08-29 14:35 ` [dpdk-dev] [PATCH v2 10/16] net: support Gre in software packet type parser Olivier Matz
2016-08-29 14:35 ` [dpdk-dev] [PATCH v2 11/16] net: support Nvgre " Olivier Matz
2016-08-29 14:35 ` [dpdk-dev] [PATCH v2 12/16] net: get ptype for the first layers only Olivier Matz
2016-08-29 14:35 ` [dpdk-dev] [PATCH v2 13/16] mbuf: add functions to dump packet type Olivier Matz
2016-08-29 14:35 ` [dpdk-dev] [PATCH v2 14/16] mbuf: clarify definition of fragment packet types Olivier Matz
2016-08-29 14:35 ` [dpdk-dev] [PATCH v2 15/16] app/testpmd: dump ptype using the new function Olivier Matz
2016-08-29 14:35 ` [dpdk-dev] [PATCH v2 16/16] app/testpmd: display software packet type Olivier Matz
2016-10-03 8:38 ` [dpdk-dev] [PATCH v3 00/16] software parser for " Olivier Matz
2016-10-03 8:38 ` [dpdk-dev] [PATCH v3 01/16] mbuf: add function to read packet data Olivier Matz
2016-10-03 8:38 ` [dpdk-dev] [PATCH v3 02/16] net: move Ethernet header definitions to the net library Olivier Matz
2016-10-03 8:38 ` [dpdk-dev] [PATCH v3 03/16] mbuf: move packet type definitions in a new file Olivier Matz
2016-10-10 14:52 ` Thomas Monjalon
2016-10-11 9:01 ` Olivier MATZ
2016-10-11 15:51 ` Thomas Monjalon
2016-10-03 8:38 ` [dpdk-dev] [PATCH v3 04/16] net: introduce net library Olivier Matz
2016-10-03 8:38 ` [dpdk-dev] [PATCH v3 05/16] net: add function to get packet type from data Olivier Matz
2016-10-03 8:38 ` [dpdk-dev] [PATCH v3 06/16] net: support Vlan in software packet type parser Olivier Matz
2016-10-03 8:38 ` [dpdk-dev] [PATCH v3 07/16] net: support QinQ " Olivier Matz
2016-10-03 8:38 ` [dpdk-dev] [PATCH v3 08/16] net: support Ip tunnels " Olivier Matz
2016-10-03 8:38 ` [dpdk-dev] [PATCH v3 09/16] net: add Gre header structure Olivier Matz
2016-10-03 8:38 ` [dpdk-dev] [PATCH v3 10/16] net: support Gre in software packet type parser Olivier Matz
2016-10-03 8:38 ` [dpdk-dev] [PATCH v3 11/16] net: support Nvgre " Olivier Matz
2016-10-03 8:38 ` [dpdk-dev] [PATCH v3 12/16] net: get ptype for the first layers only Olivier Matz
2016-10-03 8:38 ` [dpdk-dev] [PATCH v3 13/16] mbuf: add functions to dump packet type Olivier Matz
2016-10-03 8:38 ` [dpdk-dev] [PATCH v3 14/16] mbuf: clarify definition of fragment packet types Olivier Matz
2016-10-03 8:38 ` [dpdk-dev] [PATCH v3 15/16] app/testpmd: dump ptype using the new function Olivier Matz
2016-10-03 8:38 ` [dpdk-dev] [PATCH v3 16/16] app/testpmd: display software packet type Olivier Matz
2016-10-11 16:24 ` [dpdk-dev] [PATCH v3 00/16] software parser for " Thomas Monjalon
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