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From: Stephen Hemminger <stephen@networkplumber.org>
To: Adrien Mazarguil <adrien.mazarguil@6wind.com>
Cc: Ferruh Yigit <ferruh.yigit@intel.com>, dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH v1 2/3] net/hyperv: implement core functionality
Date: Mon, 18 Dec 2017 10:26:29 -0800	[thread overview]
Message-ID: <20171218102629.43798de2@xeon-e3> (raw)
In-Reply-To: <20171218162443.12971-3-adrien.mazarguil@6wind.com>

On Mon, 18 Dec 2017 17:46:23 +0100
Adrien Mazarguil <adrien.mazarguil@6wind.com> wrote:

> +static int
> +ether_addr_from_str(struct ether_addr *eth_addr, const char *str)
> +{
> +	static const uint8_t conv[0x100] = {
> +		['0'] = 0x80, ['1'] = 0x81, ['2'] = 0x82, ['3'] = 0x83,
> +		['4'] = 0x84, ['5'] = 0x85, ['6'] = 0x86, ['7'] = 0x87,
> +		['8'] = 0x88, ['9'] = 0x89, ['a'] = 0x8a, ['b'] = 0x8b,
> +		['c'] = 0x8c, ['d'] = 0x8d, ['e'] = 0x8e, ['f'] = 0x8f,
> +		['A'] = 0x8a, ['B'] = 0x8b, ['C'] = 0x8c, ['D'] = 0x8d,
> +		['E'] = 0x8e, ['F'] = 0x8f, [':'] = 0x40, ['-'] = 0x40,
> +		['\0'] = 0x60,
> +	};
> +	uint64_t addr = 0;
> +	uint64_t buf = 0;
> +	unsigned int i = 0;
> +	unsigned int n = 0;
> +	uint8_t tmp;
> +
> +	do {
> +		tmp = conv[(int)*(str++)];
> +		if (!tmp)
> +			return -EINVAL;
> +		if (tmp & 0x40) {
> +			i += (i & 1) + (!i << 1);
> +			addr = (addr << (i << 2)) | buf;
> +			n += i;
> +			buf = 0;
> +			i = 0;
> +		} else {
> +			buf = (buf << 4) | (tmp & 0xf);
> +			++i;
> +		}
> +	} while (!(tmp & 0x20));
> +	if (n > 12)
> +		return -EINVAL;
> +	i = RTE_DIM(eth_addr->addr_bytes);
> +	while (i) {
> +		eth_addr->addr_bytes[--i] = addr & 0xff;
> +		addr >>= 8;
> +	}
> +	return 0;
> +}
> +


Why not ether_ntoa?

  parent reply	other threads:[~2017-12-18 18:26 UTC|newest]

Thread overview: 112+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20171124160801.GU4062@6wind.com>
     [not found] ` <20171124164812.GV4062@6wind.com>
2017-11-24 17:21   ` [dpdk-dev] [RFC] Introduce virtual PMD for Hyper-V/Azure platforms Adrien Mazarguil
2017-12-18 16:46     ` [dpdk-dev] [PATCH v1 0/3] " Adrien Mazarguil
2017-12-18 16:46       ` [dpdk-dev] [PATCH v1 1/3] net/hyperv: introduce MS Hyper-V platform driver Adrien Mazarguil
2017-12-18 18:28         ` Stephen Hemminger
2017-12-18 19:54           ` Thomas Monjalon
2017-12-18 21:17             ` Stephen Hemminger
2017-12-19 10:01               ` Adrien Mazarguil
2017-12-19 11:15                 ` Thomas Monjalon
2017-12-19 13:13                   ` Adrien Mazarguil
2017-12-18 16:46       ` [dpdk-dev] [PATCH v1 2/3] net/hyperv: implement core functionality Adrien Mazarguil
2017-12-18 17:04         ` Wiles, Keith
2017-12-18 17:59           ` Adrien Mazarguil
2017-12-18 18:43             ` Wiles, Keith
2017-12-19  8:25               ` Nelio Laranjeiro
2017-12-18 18:26         ` Stephen Hemminger [this message]
2017-12-18 20:21           ` Adrien Mazarguil
2017-12-18 21:03             ` Thomas Monjalon
2017-12-18 21:19               ` Stephen Hemminger
2017-12-18 18:34         ` Stephen Hemminger
2017-12-18 20:23           ` Adrien Mazarguil
2017-12-19  9:53             ` Bruce Richardson
2017-12-19 10:15               ` Adrien Mazarguil
2017-12-19 15:31                 ` Stephen Hemminger
2017-12-18 23:59         ` Stephen Hemminger
2017-12-19 10:01           ` Adrien Mazarguil
2017-12-19 15:37             ` Stephen Hemminger
2017-12-19  1:54         ` Ferruh Yigit
2017-12-19 15:06           ` Adrien Mazarguil
2017-12-19 20:44             ` Ferruh Yigit
2017-12-20 14:13               ` Thomas Monjalon
2017-12-21 16:19               ` Adrien Mazarguil
2017-12-18 16:46       ` [dpdk-dev] [PATCH v1 3/3] net/hyperv: add "force" parameter Adrien Mazarguil
2017-12-18 18:23       ` [dpdk-dev] [PATCH v1 0/3] Introduce virtual PMD for Hyper-V/Azure platforms Stephen Hemminger
2017-12-18 20:13         ` Thomas Monjalon
2017-12-19  0:40           ` Stephen Hemminger
2017-12-18 20:21         ` Adrien Mazarguil
2017-12-22 18:01       ` [dpdk-dev] [PATCH v2 0/5] " Adrien Mazarguil
2017-12-22 18:01         ` [dpdk-dev] [PATCH v2 1/5] net/failsafe: fix invalid free Adrien Mazarguil
2017-12-22 18:01         ` [dpdk-dev] [PATCH v2 2/5] net/failsafe: add "fd" parameter Adrien Mazarguil
2017-12-22 18:01         ` [dpdk-dev] [PATCH v2 3/5] net/vdev_netvsc: introduce Hyper-V platform driver Adrien Mazarguil
2017-12-22 18:01         ` [dpdk-dev] [PATCH v2 4/5] net/vdev_netvsc: implement core functionality Adrien Mazarguil
2017-12-22 18:01         ` [dpdk-dev] [PATCH v2 5/5] net/vdev_netvsc: add "force" parameter Adrien Mazarguil
2017-12-23  2:06         ` [dpdk-dev] [PATCH v2 0/5] Introduce virtual PMD for Hyper-V/Azure platforms Stephen Hemminger
2017-12-23 14:28           ` Thomas Monjalon
2018-01-09 14:47         ` [dpdk-dev] [PATCH v3 0/8] Introduce virtual driver " Matan Azrad
2018-01-09 14:47           ` [dpdk-dev] [PATCH v3 1/8] net/failsafe: fix invalid free Matan Azrad
2018-01-16 10:24             ` Gaëtan Rivet
2018-01-09 14:47           ` [dpdk-dev] [PATCH v3 2/8] net/failsafe: add "fd" parameter Matan Azrad
2018-01-16 10:54             ` Gaëtan Rivet
2018-01-16 11:19               ` Gaëtan Rivet
2018-01-16 16:17                 ` Matan Azrad
2018-01-09 14:47           ` [dpdk-dev] [PATCH v3 3/8] net/failsafe: support probed sub-devices getting Matan Azrad
2018-01-16 11:09             ` Gaëtan Rivet
2018-01-16 12:27               ` Matan Azrad
2018-01-16 14:40                 ` Gaëtan Rivet
2018-01-16 16:15                   ` Matan Azrad
2018-01-16 16:54                     ` Gaëtan Rivet
2018-01-16 17:20                       ` Matan Azrad
2018-01-16 22:31                         ` Gaëtan Rivet
2018-01-17  8:40                           ` Matan Azrad
2018-01-09 14:47           ` [dpdk-dev] [PATCH v3 4/8] net/vdev_netvsc: introduce Hyper-V platform driver Matan Azrad
2018-01-09 14:47           ` [dpdk-dev] [PATCH v3 5/8] net/vdev_netvsc: implement core functionality Matan Azrad
2018-01-09 18:49             ` Stephen Hemminger
2018-01-10 15:02               ` Matan Azrad
2018-01-17 16:51                 ` Thomas Monjalon
2018-01-09 14:47           ` [dpdk-dev] [PATCH v3 6/8] net/vdev_netvsc: skip routed netvsc probing Matan Azrad
2018-01-09 18:51             ` Stephen Hemminger
2018-01-10 15:07               ` Matan Azrad
2018-01-10 16:43                 ` Stephen Hemminger
2018-01-11  9:00                   ` Matan Azrad
2018-01-17 16:59                     ` Thomas Monjalon
2018-01-09 14:47           ` [dpdk-dev] [PATCH v3 7/8] net/vdev_netvsc: add "force" parameter Matan Azrad
2018-01-09 14:47           ` [dpdk-dev] [PATCH v3 8/8] net/vdev_netvsc: add automatic probing Matan Azrad
2018-01-18  8:43           ` [dpdk-dev] [PATCH v4 0/8] Introduce virtual driver for Hyper-V/Azure platforms Matan Azrad
2018-01-18  8:43             ` [dpdk-dev] [PATCH v4 1/8] net/failsafe: fix invalid free Matan Azrad
2018-01-18  8:43             ` [dpdk-dev] [PATCH v4 2/8] net/failsafe: add "fd" parameter Matan Azrad
2018-01-18  8:51               ` Gaëtan Rivet
2018-01-18  8:43             ` [dpdk-dev] [PATCH v4 3/8] net/failsafe: add probed etherdev capture Matan Azrad
2018-01-18  9:10               ` Gaëtan Rivet
2018-01-18  9:33                 ` Matan Azrad
2018-01-18  8:43             ` [dpdk-dev] [PATCH v4 4/8] net/vdev_netvsc: introduce Hyper-V platform driver Matan Azrad
2018-01-18  8:43             ` [dpdk-dev] [PATCH v4 5/8] net/vdev_netvsc: implement core functionality Matan Azrad
2018-01-18 18:25               ` Stephen Hemminger
2018-01-18 18:28                 ` Matan Azrad
2018-01-18  8:43             ` [dpdk-dev] [PATCH v4 6/8] net/vdev_netvsc: skip routed netvsc probing Matan Azrad
2018-01-18 18:26               ` Stephen Hemminger
2018-01-18 18:47                 ` Thomas Monjalon
2018-01-18  8:43             ` [dpdk-dev] [PATCH v4 7/8] net/vdev_netvsc: add "force" parameter Matan Azrad
2018-01-18 18:27               ` Stephen Hemminger
2018-01-18 18:30                 ` Matan Azrad
2018-01-18  8:43             ` [dpdk-dev] [PATCH v4 8/8] net/vdev_netvsc: add automatic probing Matan Azrad
2018-01-18 10:01             ` [dpdk-dev] [PATCH v5 0/8] Introduce virtual driver for Hyper-V/Azure platforms Matan Azrad
2018-01-18 10:01               ` [dpdk-dev] [PATCH v5 1/8] net/failsafe: fix invalid free Matan Azrad
2018-01-18 10:01               ` [dpdk-dev] [PATCH v5 2/8] net/failsafe: add "fd" parameter Matan Azrad
2018-01-18 10:01               ` [dpdk-dev] [PATCH v5 3/8] net/failsafe: add probed etherdev capture Matan Azrad
2018-01-18 10:08                 ` Gaëtan Rivet
2018-01-18 10:01               ` [dpdk-dev] [PATCH v5 4/8] net/vdev_netvsc: introduce Hyper-V platform driver Matan Azrad
2018-01-18 10:01               ` [dpdk-dev] [PATCH v5 5/8] net/vdev_netvsc: implement core functionality Matan Azrad
2018-01-18 10:01               ` [dpdk-dev] [PATCH v5 6/8] net/vdev_netvsc: skip routed netvsc probing Matan Azrad
2018-01-18 10:01               ` [dpdk-dev] [PATCH v5 7/8] net/vdev_netvsc: add "force" parameter Matan Azrad
2018-01-18 10:01               ` [dpdk-dev] [PATCH v5 8/8] net/vdev_netvsc: add automatic probing Matan Azrad
2018-01-18 13:51               ` [dpdk-dev] [PATCH v6 0/8] Introduce virtual driver for Hyper-V/Azure platforms Matan Azrad
2018-01-18 13:51                 ` [dpdk-dev] [PATCH v6 1/8] net/failsafe: fix invalid free Matan Azrad
2018-01-18 13:51                 ` [dpdk-dev] [PATCH v6 2/8] net/failsafe: add "fd" parameter Matan Azrad
2018-01-18 13:51                 ` [dpdk-dev] [PATCH v6 3/8] net/failsafe: add probed etherdev capture Matan Azrad
2018-01-18 22:34                   ` Thomas Monjalon
2018-01-18 13:51                 ` [dpdk-dev] [PATCH v6 4/8] net/vdev_netvsc: introduce Hyper-V platform driver Matan Azrad
2018-01-18 13:51                 ` [dpdk-dev] [PATCH v6 5/8] net/vdev_netvsc: implement core functionality Matan Azrad
2018-01-18 13:51                 ` [dpdk-dev] [PATCH v6 6/8] net/vdev_netvsc: skip routed netvsc probing Matan Azrad
2018-01-18 13:51                 ` [dpdk-dev] [PATCH v6 7/8] net/vdev_netvsc: add "force" parameter Matan Azrad
2018-01-18 13:51                 ` [dpdk-dev] [PATCH v6 8/8] net/vdev_netvsc: add automatic probing Matan Azrad
2018-01-20  1:15                 ` [dpdk-dev] [PATCH v6 0/8] Introduce virtual driver for Hyper-V/Azure platforms Ferruh Yigit

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