From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by dpdk.org (Postfix) with ESMTP id 2DB338E5F for ; Thu, 26 Apr 2018 17:50:57 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga102.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 26 Apr 2018 08:50:56 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.49,330,1520924400"; d="scan'208";a="44823852" Received: from fyigit-mobl.ger.corp.intel.com (HELO [10.237.221.42]) ([10.237.221.42]) by FMSMGA003.fm.intel.com with ESMTP; 26 Apr 2018 08:50:55 -0700 To: Wei Dai , thomas@monjalon.net, qi.z.zhang@intel.com Cc: dev@dpdk.org References: <1524657013-40960-1-git-send-email-wei.dai@intel.com> <1524753466-17021-1-git-send-email-wei.dai@intel.com> From: Ferruh Yigit Openpgp: preference=signencrypt Autocrypt: addr=ferruh.yigit@intel.com; prefer-encrypt=mutual; keydata= xsFNBFXZCFABEADCujshBOAaqPZpwShdkzkyGpJ15lmxiSr3jVMqOtQS/sB3FYLT0/d3+bvy qbL9YnlbPyRvZfnP3pXiKwkRoR1RJwEo2BOf6hxdzTmLRtGtwWzI9MwrUPj6n/ldiD58VAGQ +iR1I/z9UBUN/ZMksElA2D7Jgg7vZ78iKwNnd+vLBD6I61kVrZ45Vjo3r+pPOByUBXOUlxp9 GWEKKIrJ4eogqkVNSixN16VYK7xR+5OUkBYUO+sE6etSxCr7BahMPKxH+XPlZZjKrxciaWQb +dElz3Ab4Opl+ZT/bK2huX+W+NJBEBVzjTkhjSTjcyRdxvS1gwWRuXqAml/sh+KQjPV1PPHF YK5LcqLkle+OKTCa82OvUb7cr+ALxATIZXQkgmn+zFT8UzSS3aiBBohg3BtbTIWy51jNlYdy ezUZ4UxKSsFuUTPt+JjHQBvF7WKbmNGS3fCid5Iag4tWOfZoqiCNzxApkVugltxoc6rG2TyX CmI2rP0mQ0GOsGXA3+3c1MCdQFzdIn/5tLBZyKy4F54UFo35eOX8/g7OaE+xrgY/4bZjpxC1 1pd66AAtKb3aNXpHvIfkVV6NYloo52H+FUE5ZDPNCGD0/btFGPWmWRmkPybzColTy7fmPaGz cBcEEqHK4T0aY4UJmE7Ylvg255Kz7s6wGZe6IR3N0cKNv++O7QARAQABzSVGZXJydWggWWln aXQgPGZlcnJ1aC55aWdpdEBpbnRlbC5jb20+wsF+BBMBAgAoAhsDBgsJCAcDAgYVCAIJCgsE FgIDAQIeAQIXgAUCWZR3VQUJB33WBQAKCRD5M+tD3xNhH6DWEACVhEb8q1epPwZrUDoxzu7E TS1b8tmabOmnjXZRs6+EXgUVHkp2xxkCfDmL3pa5bC0G/74aJnWjNsdvE05V1cb4YK4kRQ62 FwDQ+hlrFrwFB3PtDZk1tpkzCRHvJgnIil+0MuEh32Y57ig6hy8yO8ql7Lohyrnpfk/nNpm4 jQGEF5qEeHcEFe1AZQlPHN/STno8NZSz2nl0b2cw+cujN1krmvB52Ah/2KugQ6pprVyrGrzB c34ZQO9OsmSjJlETCZk6EZzuhfe16iqBFbOSadi9sPcJRwaUQBid+xdFWl7GQ8qC3zNPibSF HmU43yBZUqJDZlhIcl6/cFpOSjv2sDWdtjEXTDn5y/0FsuY0mFE78ItC4kCTIVk17VZoywcd fmbbnwOSWzDq7hiUYuQGkIudJw5k/A1CMsyLkoUEGN3sLfsw6KASgS4XrrmPO4UVr3mH5bP1 yC7i1OVNpzvOxtahmzm481ID8sk72GC2RktTOHb0cX+qdoiMMfYgo3wRRDYCBt6YoGYUxF1p msjocXyqToKhhnFbXLaZlVfnQ9i2i8jsj9SKig+ewC2p3lkPj6ncye9q95bzhmUeJO6sFhJg Hiz6syOMg8yCcq60j07airybAuHIDNFWk0gaWAmtHZxLObZx2PVn2nv9kLYGohFekw0AOsIW ta++5m48dnCoAc7BTQRX1ky+ARAApzQNvXvE2q1LAS+Z+ni2R13Bb1cDS1ZYq1jgpR13+OKN ipzd8MPngRJilXxBaPTErhgzR0vGcNTYhjGMSyFIHVOoBq1VbP1a0Fi/NqWzJOowo/fDfgVy K4vuitc/gCJs+2se4hdZA4EQJxVlNM51lgYDNpjPGIA43MX15OLAip73+ho6NPBMuc5qse3X pAClNhBKfENRCWN428pi3WVkT+ABRTE0taxjJNP7bb+9TQYNRqGwnGzX5/XISv44asWIQCaq vOkXSUJLd//cdVNTqtL1wreCVVR5pMXj7VIrlk07fmmJVALCmGbFr53BMb8O+8dgK2A5mitM n44d+8KdJWOwziRxcaMk/LclmZS3Iv1TERtiWt98Y9AjeAtcgYPkA3ld0BcUKONogP8pHVz1 Ed3s5rDQ91yr1S0wuAzW91fxGUO4wY+uPmxCtFVuBgd9VT9NAKTUL0qHM7CDgCnZPe0TW6Zj 8OqtdCCyAfvU9cW5xWM7Icxhde6AtPxhDSBwE8fL2ZmrDmaA4jmUKXp3i4JxRPSX84S08b+s DWXHPxy10UFU5A7EK/BEbZAKBwn9ROfm+WK+6X5xOGLoRE++OqNuUudxC1GDyLOPaqCbBCS9 +P6HsTHzxsjyJa27n4jcrcuY3P9TEcFJYSZSeSDh8mVGvugi0exnSJrrBZDyVCcAEQEAAcLB ZQQYAQIADwIbDAUCWZR1ZwUJA59cIQAKCRD5M+tD3xNhH5b+D/9XG44Ci6STdcA5RO/ur05J EE3Ux1DCHZ5V7vNAtX/8Wg4l4GZfweauXwuJ1w7Sp7fklwcNC6wsceI+EmNjGMqfIaukGetG +jBGqsQ7moOZodfXUoCK98gblKgt/BPYMVidzlGC8Q/+lZg1+o29sPnwImW+MXt/Z5az/Z17 Qc265g+p5cqJHzq6bpQdnF7Fu6btKU/kv6wJghENvgMXBuyThqsyFReJWFh2wfaKyuix3Zyj ccq7/blkhzIKmtFWgDcgaSc2UAuJU+x9nuYjihW6WobpKP/nlUDu3BIsbIq09UEke+uE/QK+ FJ8PTJkAsXOf1Bc2C0XbW4Y2hf103+YY6L8weUCBsWC5VH5VtVmeuh26ENURclwfeXhWQ9Og 77yzpTXWr5g1Z0oLpYpWPv745J4bE7pv+dzxOrFdM1xNkzY2pvXph/A8OjxZNQklDkHQ7PIB Lki5L2F4XkEOddUUQchJwzMqTPsggPDmGjgLZrqgO+s4ECZK5+nLD3HEpAbPa3JLDaScy+90 Nu1lAqPUHSnP3vYZVw85ZYm6UCxHE4VLMnnJsN09ZhsOSVR+GyP5Nyw9rT1V3lcsuH7M5Naa 2Xobn9m7l9bRCD/Ji8kG15eV1WTxx1HXVQGjdUYDI7UwegBNbwMLh17XDy+3sn/6SgcqtECA Q6pZKA2mTQxEKMLBZQQYAQIADwIbDAUCWZR3hQUJA59eRwAKCRD5M+tD3xNhH4a/D/4jLAZu UhvU1swWcNEVVCELZ0D3LOV14XcY2MXa3QOpeZ9Bgq7YYJ4S5YXK+SBQS0FkRZdjGNvlGZoG ZdpU+NsQmQFhqHGwX0IT9MeTFM8uvKgxNKGwMVcV9g0IOqwBhGHne+BFboRA9362fgGW5AYQ zT0mzzRKEoOh4r3AQvbM6kLISxo0k1ujdYiI5nj/5WoKDqxTwwfuN1uDUHsWo3tzenRmpMyU NyW3Dc+1ajvXLyo09sRRq7BnM99Rix1EGL8Qhwy+j0YAv+FuspWxUX9FxXYho5PvGLHLsHfK FYQ7x/RRbpMjkJWVfIe/xVnfvn4kz+MTA5yhvsuNi678fLwY9hBP0y4lO8Ob2IhEPdfnTuIs tFVxXuelJ9xAe5TyqP0f+fQjf1ixsBZkqOohsBXDfje0iaUpYa/OQ/BBeej0dUdg2JEu4jAC x41HpVCnP9ipLpD0fYz1d/dX0F/VY2ovW6Eba/y/ngOSAR6C+u881m7oH2l0G47MTwkaQCBA bLGXPj4TCdX3lftqt4bcBPBJ+rFAnJmRHtUuyyaewBnZ81ZU2YAptqFM1kTh+aSvMvGhfVsQ qZL2rk2OPN1hg+KXhErlbTZ6oPtLCFhSHQmuxQ4oc4U147wBTUuOdwNjtnNatUhRCp8POc+3 XphVR5G70mnca1E2vzC77z+XSlTyRA== Message-ID: <199f655c-1327-326b-c1b1-5e4fbefc6ae2@intel.com> Date: Thu, 26 Apr 2018 16:50:55 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.7.0 MIME-Version: 1.0 In-Reply-To: <1524753466-17021-1-git-send-email-wei.dai@intel.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Subject: Re: [dpdk-dev] [PATCH v5] ethdev: check Rx/Tx offloads X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 26 Apr 2018 15:50:58 -0000 On 4/26/2018 3:37 PM, Wei Dai wrote: > This patch check if a requested offloading is supported > in the device capability. > Any offloading is disabled by default if it is not set > in rte_eth_dev_configure( ) and rte_eth_[rt]x_queue_setup(). > A per port offloading can only be enabled in > rte_eth_dev_configure(). If a per port offloading is > sent to rte_eth_[rt]x_queue_setup( ), return error. > Only per queue offloading can be sent to > rte_eth_[rt]x_queue_setup( ). A per queue offloading is > enabled only if it is enabled in rte_eth_dev_configure( ) OR > if it is enabled in rte_eth_[rt]x_queue_setup( ). > If a per queue offloading is enabled in rte_eth_dev_configure(), > it can't be disabled in rte_eth_[rt]x_queue_setup( ). > If a per queue offloading is disabled in rte_eth_dev_configure( ), > it can be enabled or disabled( ) in rte_eth_[rt]x_queue_setup( ). > > This patch can make such checking in a common way in rte_ethdev > layer to avoid same checking in underlying PMD. > > Signed-off-by: Wei Dai > --- > lib/librte_ether/rte_ethdev.c | 56 +++++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 56 insertions(+) > > diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c > index f0f53d4..5485f47 100644 > --- a/lib/librte_ether/rte_ethdev.c > +++ b/lib/librte_ether/rte_ethdev.c > @@ -1196,6 +1196,28 @@ rte_eth_dev_configure(uint16_t port_id, uint16_t nb_rx_q, uint16_t nb_tx_q, > ETHER_MAX_LEN; > } > > + /* Any requested offload must be within its device capability */ > + if ((local_conf.rxmode.offloads & dev_info.rx_offload_capa) != > + local_conf.rxmode.offloads) { > + RTE_PMD_DEBUG_TRACE("ethdev port_id=%d requested Rx offloads " > + "0x%" PRIx64 " doesn't match Rx offloads " > + "capability 0x%" PRIx64 "\n", > + port_id, > + local_conf.rxmode.offloads, > + dev_info.rx_offload_capa); > + return -EINVAL; > + } > + if ((local_conf.txmode.offloads & dev_info.tx_offload_capa) != > + local_conf.txmode.offloads) { > + RTE_PMD_DEBUG_TRACE("ethdev port_id=%d requested Tx offloads " > + "0x%" PRIx64 " doesn't match Tx offloads " > + "capability 0x%" PRIx64 "\n", > + port_id, > + local_conf.txmode.offloads, > + dev_info.tx_offload_capa); > + return -EINVAL; > + } > + > /* > * Setup new number of RX/TX queues and reconfigure device. > */ > @@ -1547,6 +1569,23 @@ rte_eth_rx_queue_setup(uint16_t port_id, uint16_t rx_queue_id, > &local_conf.offloads); > } > > + /* > + * Only per-queue offload can be enabled from application. > + * If any pure per-port offload is sent to this function, return -EINVAL This comment doesn't match below check, below doesn't check pure per-port offload > + */ > + if ((local_conf.offloads & dev_info.rx_queue_offload_capa) != > + local_conf.offloads) {> + RTE_PMD_DEBUG_TRACE("Ethdev port_id=%d rx_queue_id=%d " > + "Requested offload 0x%" PRIx64 "doesn't " > + "match per-queue capability 0x%" PRIx64 > + " in rte_eth_rx_queue_setup( )\n", > + port_id, > + rx_queue_id, > + local_conf.offloads, > + dev_info.rx_queue_offload_capa); > + return -EINVAL; > + } Lets add one more check and consider this for rc1, later we can update checks for suggested API in rc2. Check to add (this is for existing API) If a pure per-port update enabled configure, it should be enabled in queue_setup() as well. > + > ret = (*dev->dev_ops->rx_queue_setup)(dev, rx_queue_id, nb_rx_desc, > socket_id, &local_conf, mp); > if (!ret) { > @@ -1681,6 +1720,23 @@ rte_eth_tx_queue_setup(uint16_t port_id, uint16_t tx_queue_id, > &local_conf.offloads); > } > > + /* > + * Only per-queue offload can be enabled from applcation. > + * If any pure per-port offload is sent to this function, return -EINVAL > + */ > + if ((local_conf.offloads & dev_info.tx_queue_offload_capa) != > + local_conf.offloads) { > + RTE_PMD_DEBUG_TRACE("Ethdev port_id=%d tx_queue_id=%d " > + "Requested offload 0x%" PRIx64 "doesn't " > + "match per-queue capability 0x%" PRIx64 > + " in rte_eth_tx_queue_setup( )\n", > + port_id, > + tx_queue_id, > + local_conf.offloads, > + dev_info.tx_queue_offload_capa); > + return -EINVAL; > + } > + > return eth_err(port_id, (*dev->dev_ops->tx_queue_setup)(dev, > tx_queue_id, nb_tx_desc, socket_id, &local_conf)); > } >