From: Stephen Hemminger <stephen@networkplumber.org>
To: dev@dpdk.org
Cc: Stephen Hemminger <stephen@networkplumber.org>,
Andrew Rybchenko <arybchenko@solarflare.com>
Subject: [dpdk-dev] [PATCH v6 2/8] net/ether: add function to convert string to ethernet address
Date: Tue, 2 Jul 2019 09:50:11 -0700 [thread overview]
Message-ID: <20190702165017.3802-3-stephen@networkplumber.org> (raw)
In-Reply-To: <20190702165017.3802-1-stephen@networkplumber.org>
Make a function that can be used in place of eth_aton_r
to convert a string to rte_ether_addr. This function
allows both byte (xx:xx:xx:xx:xx:xx) and word (XXXX:XXXX:XXXX)
format and has the same lack of error handling as the original.
This also allows ethdev to no longer have a hard dependency
on the cmdline library.
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Reviewed-by: Andrew Rybchenko <arybchenko@solarflare.com>
---
lib/librte_net/rte_ether.c | 47 ++++++++++++++++++++++++++++++
lib/librte_net/rte_ether.h | 14 +++++++++
lib/librte_net/rte_net_version.map | 1 +
3 files changed, 62 insertions(+)
diff --git a/lib/librte_net/rte_ether.c b/lib/librte_net/rte_ether.c
index 974fe815b335..acc8a0e938c5 100644
--- a/lib/librte_net/rte_ether.c
+++ b/lib/librte_net/rte_ether.c
@@ -27,3 +27,50 @@ rte_ether_format_addr(char *buf, uint16_t size,
eth_addr->addr_bytes[4],
eth_addr->addr_bytes[5]);
}
+
+/*
+ * Like ether_aton_r but can handle either
+ * XX:XX:XX:XX:XX:XX or XXXX:XXXX:XXXX
+ */
+int
+rte_ether_unformat_addr(const char *s, struct rte_ether_addr *ea)
+{
+ unsigned int o0, o1, o2, o3, o4, o5;
+ int n;
+
+ n = sscanf(s, "%x:%x:%x:%x:%x:%x",
+ &o0, &o1, &o2, &o3, &o4, &o5);
+
+ if (n == 6) {
+ if (o0 > UINT8_MAX || o1 > UINT8_MAX || o2 > UINT8_MAX ||
+ o3 > UINT8_MAX || o4 > UINT8_MAX || o5 > UINT8_MAX)
+ return -1;
+
+ ea->addr_bytes[0] = o0;
+ ea->addr_bytes[1] = o1;
+ ea->addr_bytes[2] = o2;
+ ea->addr_bytes[3] = o3;
+ ea->addr_bytes[4] = o4;
+ ea->addr_bytes[5] = o5;
+
+ return 0;
+ }
+
+ /* Support the format XXXX:XXXX:XXXX */
+ n = sscanf(s, "%x:%x:%x", &o0, &o1, &o2);
+ if (n == 3) {
+ if (o0 > UINT16_MAX || o1 > UINT16_MAX || o2 > UINT16_MAX)
+ return -1;
+
+ ea->addr_bytes[0] = o0 >> 8;
+ ea->addr_bytes[1] = o0 & 0xff;
+ ea->addr_bytes[2] = o1 >> 8;
+ ea->addr_bytes[3] = o1 & 0xff;
+ ea->addr_bytes[4] = o2 >> 8;
+ ea->addr_bytes[5] = o2 & 0xff;
+ return 0;
+ }
+ /* unknown format */
+
+ return -1;
+}
diff --git a/lib/librte_net/rte_ether.h b/lib/librte_net/rte_ether.h
index 3caae0d98f6d..8edc7e217b25 100644
--- a/lib/librte_net/rte_ether.h
+++ b/lib/librte_net/rte_ether.h
@@ -250,6 +250,20 @@ static inline void rte_ether_addr_copy(const struct rte_ether_addr *ea_from,
void
rte_ether_format_addr(char *buf, uint16_t size,
const struct rte_ether_addr *eth_addr);
+/**
+ * Convert string with Ethernet address to an ether_addr.
+ *
+ * @param str
+ * A pointer to buffer contains the formatted MAC address.
+ * @param eth_addr
+ * A pointer to a ether_addr structure.
+ * @return
+ * 0 if successful
+ * -1 and sets rte_errno if invalid string
+ */
+int __rte_experimental
+rte_ether_unformat_addr(const char *str, struct rte_ether_addr *eth_addr);
+
/**
* Ethernet header: Contains the destination address, source address
* and frame type.
diff --git a/lib/librte_net/rte_net_version.map b/lib/librte_net/rte_net_version.map
index f1e1b84ab491..f4c915069d57 100644
--- a/lib/librte_net/rte_net_version.map
+++ b/lib/librte_net/rte_net_version.map
@@ -25,4 +25,5 @@ EXPERIMENTAL {
rte_net_make_rarp_packet;
rte_net_skip_ip6_ext;
+ rte_ether_unformat_addr;
};
--
2.20.1
next prev parent reply other threads:[~2019-07-02 16:50 UTC|newest]
Thread overview: 127+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-16 18:04 [dpdk-dev] [PATCH v2 0/7] ether: improvements and optimizations Stephen Hemminger
2019-05-16 18:04 ` [dpdk-dev] [PATCH v2 1/7] ether: mark ethernet addresses as being 2-byte aligned Stephen Hemminger
2019-05-16 18:04 ` [dpdk-dev] [PATCH v2 2/7] ether: do not mark ethernet address and header as packed Stephen Hemminger
2019-05-16 20:40 ` Bruce Richardson
2019-05-16 23:17 ` Stephen Hemminger
2019-05-16 18:04 ` [dpdk-dev] [PATCH v2 3/7] ether: deinline non-critical functions Stephen Hemminger
2019-05-16 18:29 ` Rami Rosen
2019-05-17 7:08 ` David Marchand
2019-05-16 18:04 ` [dpdk-dev] [PATCH v2 4/7] ether: add eth_unformat_addr Stephen Hemminger
2019-05-17 7:08 ` David Marchand
2019-05-16 18:04 ` [dpdk-dev] [PATCH v2 5/7] ethdev: use eth_unformat_addr Stephen Hemminger
2019-05-16 18:04 ` [dpdk-dev] [PATCH v2 6/7] ether: use bitops to speedup comparison Stephen Hemminger
2019-05-16 18:04 ` [dpdk-dev] [PATCH v2 7/7] cmdline: use ether_unformat_addr Stephen Hemminger
2019-06-05 1:08 ` [dpdk-dev] [PATCH v3 0/6] net/ether: improvements and optimizations Stephen Hemminger
2019-06-05 1:08 ` [dpdk-dev] [PATCH v3 1/6] net/rte_ether: deinline non-critical functions Stephen Hemminger
2019-06-05 8:44 ` Andrew Rybchenko
2019-06-05 16:29 ` Stephen Hemminger
2019-06-05 1:08 ` [dpdk-dev] [PATCH v3 2/6] net/ether: add rte_eth_unformat_addr Stephen Hemminger
2019-06-05 8:55 ` Andrew Rybchenko
2019-06-05 16:31 ` Stephen Hemminger
2019-06-05 1:08 ` [dpdk-dev] [PATCH v3 3/6] ethdev: use rte_eth_unformat_addr Stephen Hemminger
2019-06-05 8:59 ` Andrew Rybchenko
2019-06-05 15:02 ` Stephen Hemminger
2019-06-05 16:33 ` Stephen Hemminger
2019-06-05 1:08 ` [dpdk-dev] [PATCH v3 4/6] net/ether: use bitops to speedup comparison Stephen Hemminger
2019-06-05 9:02 ` Andrew Rybchenko
2019-06-05 1:08 ` [dpdk-dev] [PATCH v3 5/6] net/ether: mark ethernet addresses as being 2-byte aligned Stephen Hemminger
2019-06-05 9:04 ` Andrew Rybchenko
2019-06-05 1:08 ` [dpdk-dev] [PATCH v3 6/6] cmdline: use rte_ether_unformat_addr Stephen Hemminger
2019-06-05 18:09 ` [dpdk-dev] [PATCH v4 0/8] net/ether: enhancements and optimizations Stephen Hemminger
2019-06-05 18:09 ` [dpdk-dev] [PATCH v4 1/8] net/rte_ether: deinline non-critical functions Stephen Hemminger
2019-06-06 8:06 ` Maxime Coquelin
2019-06-05 18:09 ` [dpdk-dev] [PATCH v4 2/8] net/ether: add rte_eth_unformat_addr Stephen Hemminger
2019-06-05 18:09 ` [dpdk-dev] [PATCH v4 3/8] ethdev: use rte_eth_unformat_addr Stephen Hemminger
2019-06-05 18:09 ` [dpdk-dev] [PATCH v4 4/8] net/ether: use bitops to speedup comparison Stephen Hemminger
2019-06-05 18:09 ` [dpdk-dev] [PATCH v4 5/8] net/ether: mark ethernet addresses as being 2-byte aligned Stephen Hemminger
2019-06-07 16:59 ` Ananyev, Konstantin
2019-06-07 18:35 ` Stephen Hemminger
2019-06-07 20:40 ` Richardson, Bruce
2019-06-08 11:51 ` Ananyev, Konstantin
2019-06-07 20:39 ` Richardson, Bruce
2019-06-08 12:15 ` Ananyev, Konstantin
2019-06-05 18:09 ` [dpdk-dev] [PATCH v4 6/8] cmdline: use rte_ether_unformat_addr Stephen Hemminger
2019-06-05 18:09 ` [dpdk-dev] [PATCH v4 7/8] net/bonding: use rte_ether_unformat_addr rather than cmdline_parse Stephen Hemminger
2019-06-05 18:09 ` [dpdk-dev] [PATCH v4 8/8] app/testpmd: use rte_ether_unformat_addr Stephen Hemminger
2019-06-20 14:18 ` Iremonger, Bernard
2019-06-20 16:12 ` Stephen Hemminger
2019-06-24 20:44 ` [dpdk-dev] [PATCH v5 0/8] net/ether: enhancements and optimizations Stephen Hemminger
2019-06-24 20:44 ` [dpdk-dev] [PATCH v5 1/8] net/rte_ether: deinline non-critical functions Stephen Hemminger
2019-07-02 7:56 ` Olivier Matz
2019-06-24 20:44 ` [dpdk-dev] [PATCH v5 2/8] net/ether: add function to convert string to ethernet address Stephen Hemminger
2019-06-24 20:44 ` [dpdk-dev] [PATCH v5 3/8] ethdev: use new ethernet parsing function Stephen Hemminger
2019-06-24 20:44 ` [dpdk-dev] [PATCH v5 4/8] net/ether: use bitops to speedup comparison Stephen Hemminger
2019-07-02 7:53 ` Olivier Matz
2019-07-02 9:26 ` Olivier Matz
2019-07-02 15:28 ` Stephen Hemminger
2019-06-24 20:44 ` [dpdk-dev] [PATCH v5 5/8] net/ether: mark ethernet addresses as being 2-byte aligned Stephen Hemminger
2019-06-24 20:44 ` [dpdk-dev] [PATCH v5 6/8] cmdline: use new ethernet address parser Stephen Hemminger
[not found] ` <8688172CD5C0B74590FAE19D9579F94B53742875@SHSMSX103.ccr.corp.intel.com>
2019-07-16 16:17 ` Stephen Hemminger
2019-07-17 14:04 ` Aaron Conole
2019-07-17 14:39 ` Olivier Matz
2019-06-24 20:44 ` [dpdk-dev] [PATCH v5 7/8] net/bonding: " Stephen Hemminger
2019-06-24 20:44 ` [dpdk-dev] [PATCH v5 8/8] app/testpmd: " Stephen Hemminger
2019-07-02 16:50 ` [dpdk-dev] [PATCH v6 0/8] net/ether: enhancements and optimizations Stephen Hemminger
2019-07-02 16:50 ` [dpdk-dev] [PATCH v6 1/8] net/rte_ether: deinline non-critical functions Stephen Hemminger
2019-07-02 16:50 ` Stephen Hemminger [this message]
2019-07-02 16:50 ` [dpdk-dev] [PATCH v6 3/8] ethdev: use new ethernet parsing function Stephen Hemminger
2019-07-02 16:50 ` [dpdk-dev] [PATCH v6 4/8] net/ether: use bitops to speedup comparison Stephen Hemminger
2019-07-02 16:50 ` [dpdk-dev] [PATCH v6 5/8] net/ether: mark ethernet addresses as being 2-byte aligned Stephen Hemminger
2019-07-02 21:46 ` Ananyev, Konstantin
2019-07-02 16:50 ` [dpdk-dev] [PATCH v6 6/8] cmdline: use new ethernet address parser Stephen Hemminger
2019-07-02 16:50 ` [dpdk-dev] [PATCH v6 7/8] net/bonding: " Stephen Hemminger
2019-07-02 16:50 ` [dpdk-dev] [PATCH v6 8/8] app/testpmd: " Stephen Hemminger
2019-07-02 21:37 ` [dpdk-dev] [PATCH v6 0/8] net/ether: enhancements and optimizations Thomas Monjalon
2019-07-02 22:03 ` Stephen Hemminger
2019-07-02 22:12 ` [dpdk-dev] [PATCH v7 00/12] ether: improvements " Stephen Hemminger
2019-07-02 22:12 ` [dpdk-dev] [PATCH v7 01/12] net/rte_ether: deinline non-critical functions Stephen Hemminger
2019-07-05 14:25 ` Olivier Matz
2019-07-02 22:12 ` [dpdk-dev] [PATCH v7 02/12] net/ether: add function to convert string to ethernet address Stephen Hemminger
2019-07-05 14:25 ` Olivier Matz
2019-07-02 22:12 ` [dpdk-dev] [PATCH v7 03/12] ethdev: use new ethernet parsing function Stephen Hemminger
2019-07-02 22:12 ` [dpdk-dev] [PATCH v7 04/12] net/ether: use bitops to speedup comparison Stephen Hemminger
2019-07-05 14:34 ` Olivier Matz
2019-07-02 22:12 ` [dpdk-dev] [PATCH v7 05/12] net/ether: mark ethernet addresses as being 2-byte aligned Stephen Hemminger
2019-07-05 14:34 ` Olivier Matz
2019-07-05 15:45 ` Richardson, Bruce
2019-07-02 22:12 ` [dpdk-dev] [PATCH v7 06/12] cmdline: use new ethernet address parser Stephen Hemminger
2019-07-05 14:46 ` Olivier Matz
2019-07-02 22:12 ` [dpdk-dev] [PATCH v7 07/12] net/bonding: " Stephen Hemminger
2019-07-02 22:12 ` [dpdk-dev] [PATCH v7 08/12] app/testpmd: " Stephen Hemminger
2019-07-03 13:30 ` Iremonger, Bernard
2019-07-05 17:12 ` Stephen Hemminger
2019-07-02 22:12 ` [dpdk-dev] [PATCH v7 09/12] net/virtio: use new ether addr parsing Stephen Hemminger
2019-07-02 22:12 ` [dpdk-dev] [PATCH v7 10/12] net/failsafe: use common ether address parsing routine Stephen Hemminger
2019-07-03 9:10 ` Gaëtan Rivet
2019-07-02 22:12 ` [dpdk-dev] [PATCH v7 11/12] net/vdev_netvsc: use common ethernet address parsing Stephen Hemminger
2019-07-03 8:12 ` Matan Azrad
2019-07-02 22:12 ` [dpdk-dev] [PATCH v7 12/12] net/memif: use common ethernet address parsing routine Stephen Hemminger
2019-07-05 17:16 ` [dpdk-dev] [PATCH v8 00/11] ether: improvements and optimizations Stephen Hemminger
2019-07-05 17:16 ` [dpdk-dev] [PATCH v8 01/11] net/ether: deinline non-critical functions Stephen Hemminger
2019-07-05 17:16 ` [dpdk-dev] [PATCH v8 02/11] net/ether: add function to convert string to ethernet address Stephen Hemminger
2019-07-05 17:16 ` [dpdk-dev] [PATCH v8 03/11] ethdev: use new ethernet parsing function Stephen Hemminger
2019-07-05 17:16 ` [dpdk-dev] [PATCH v8 04/11] net/ether: use bitops to speedup comparison Stephen Hemminger
2019-07-05 17:16 ` [dpdk-dev] [PATCH v8 05/11] cmdline: use new ethernet address parser Stephen Hemminger
2019-07-05 17:16 ` [dpdk-dev] [PATCH v8 06/11] net/bonding: " Stephen Hemminger
2019-07-05 17:16 ` [dpdk-dev] [PATCH v8 07/11] app/testpmd: " Stephen Hemminger
2019-07-05 17:16 ` [dpdk-dev] [PATCH v8 08/11] net/virtio: use new ether addr parsing Stephen Hemminger
2019-07-05 17:16 ` [dpdk-dev] [PATCH v8 09/11] net/failsafe: use common ether address parsing routine Stephen Hemminger
2019-07-05 17:16 ` [dpdk-dev] [PATCH v8 10/11] net/vdev_netvsc: use common ethernet address parsing Stephen Hemminger
2019-07-05 17:16 ` [dpdk-dev] [PATCH v8 11/11] net/memif: use common ethernet address parsing routine Stephen Hemminger
2019-07-08 18:26 ` [dpdk-dev] [PATCH v9 00/11] ether: improvements and optimizations Stephen Hemminger
2019-07-08 18:26 ` [dpdk-dev] [PATCH v9 01/11] net/ether: deinline non-critical functions Stephen Hemminger
2019-07-08 18:26 ` [dpdk-dev] [PATCH v9 02/11] net/ether: add function to convert string to ethernet address Stephen Hemminger
2019-07-08 18:26 ` [dpdk-dev] [PATCH v9 03/11] ethdev: use new ethernet parsing function Stephen Hemminger
2019-07-08 18:26 ` [dpdk-dev] [PATCH v9 04/11] net/ether: use bitops to speedup comparison Stephen Hemminger
2019-07-08 18:26 ` [dpdk-dev] [PATCH v9 05/11] cmdline: use new ethernet address parser Stephen Hemminger
2019-07-08 18:26 ` [dpdk-dev] [PATCH v9 06/11] net/bonding: " Stephen Hemminger
2019-07-08 18:26 ` [dpdk-dev] [PATCH v9 07/11] app/testpmd: " Stephen Hemminger
2019-07-21 13:42 ` Raslan Darawsheh
2019-07-22 12:09 ` Thomas Monjalon
2019-07-22 16:15 ` Ferruh Yigit
2019-07-08 18:26 ` [dpdk-dev] [PATCH v9 08/11] net/virtio: use new ether addr parsing Stephen Hemminger
2019-07-08 18:26 ` [dpdk-dev] [PATCH v9 09/11] net/failsafe: use common ether address parsing routine Stephen Hemminger
2019-07-08 18:26 ` [dpdk-dev] [PATCH v9 10/11] net/vdev_netvsc: use common ethernet address parsing Stephen Hemminger
2019-07-08 18:26 ` [dpdk-dev] [PATCH v9 11/11] net/memif: use common ethernet address parsing routine Stephen Hemminger
2019-07-08 19:13 ` [dpdk-dev] [PATCH v9 00/11] ether: improvements and optimizations Ferruh Yigit
2019-07-09 15:01 ` Bruce Richardson
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