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(unknown [10.28.36.165]) by maili.marvell.com (Postfix) with ESMTP id 7CF1B3F708A; Sun, 31 May 2026 19:59:14 -0700 (PDT) From: Ratheesh Kannoth To: , CC: , , , , , , , , , "Ratheesh Kannoth" Subject: [PATCH v17 net-next 1/8] octeontx2-af: npc: cn20k: debugfs enhancements Date: Mon, 1 Jun 2026 08:28:36 +0530 Message-ID: <20260601025844.865865-2-rkannoth@marvell.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260601025844.865865-1-rkannoth@marvell.com> References: <20260601025844.865865-1-rkannoth@marvell.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjAxMDAyOCBTYWx0ZWRfX82cI/93ajD/8 xl/aT5nla0wTfMzfc7+BhlQsq1MYXsHXy4TPR6qdjybEY61lHHGDFLkkTLaCF/MoOqx2G/f/7M1 P58RTnawhmJgBYr8kSYFwbarQ0uUaElVfGDapAW/2KSHzSZfBfDAF98Sue33iXLiyg531nDwgRt 7/t00g6zmXHUlNzHJsR/SRl5qbNpYYexhMYvor7OnhraahG8WC3ygXdW4c9rRlDLwNCBCrAlvcC ualroWKJMSbi0z3bYHMfiFGpRLn5AH/++H/zAS/LqeWvN7SjjzjyEQBdPYzOi924SO9jKy7zA2q AkHP8sgXmce/yNxQcmBzZ+Nl+ZfWA+iE1S2FRhosxhP8H1I/n972MajIiBd3KlD5Jw112FP+CEA k9hBM+tMn0sxz0MWwcKoUaZscnwWXxwaScky8CZRJco4c8ZPy5Ds0TL40iF4ds4ac70T2nJLkw6 pSWL6UtmU/hceTxgRzw== X-Proofpoint-GUID: fO-0PbbEHB_S6SNQVDaI0rI2Bq7iGoJk X-Proofpoint-ORIG-GUID: fO-0PbbEHB_S6SNQVDaI0rI2Bq7iGoJk X-Authority-Analysis: v=2.4 cv=F99nsKhN c=1 sm=1 tr=0 ts=6a1cf586 cx=c_pps a=rEv8fa4AjpPjGxpoe8rlIQ==:117 a=rEv8fa4AjpPjGxpoe8rlIQ==:17 a=NGcC8JguVDcA:10 a=VkNPw1HP01LnGYTKEx00:22 a=l0iWHRpgs5sLHlkKQ1IR:22 a=EAYMVhzMl8SCOHhVQcBL:22 a=M5GUcnROAAAA:8 a=MGki9FtnWEUF7_4ZUUMA:9 a=OBjm3rFKGHvpk9ecZwUJ:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-01_01,2026-05-28_03,2025-10-01_01 Content-Type: text/plain; charset="utf-8" Improve MCAM visibility and field debugging for CN20K NPC. - Extend "mcam_layout" to show enabled (+) or disabled state per entry so status can be verified without parsing the full "mcam_entry" dump. - Add "dstats" debugfs entry: for enabled MCAM indices, print hit deltas since the prior read by comparing hardware counters to a per-entry software baseline and advancing that baseline after each read (hardware counters are not cleared). - Add "mismatch" debugfs entry: lists MCAM entries that are enabled but not explicitly allocated, helping diagnose allocation/field issues. Signed-off-by: Ratheesh Kannoth --- .../marvell/octeontx2/af/cn20k/debugfs.c | 158 +++++++++++++++++- .../ethernet/marvell/octeontx2/af/cn20k/npc.c | 37 +++- .../ethernet/marvell/octeontx2/af/cn20k/npc.h | 11 ++ 3 files changed, 191 insertions(+), 15 deletions(-) diff --git a/drivers/net/ethernet/marvell/octeontx2/af/cn20k/debugfs.c b/dr= ivers/net/ethernet/marvell/octeontx2/af/cn20k/debugfs.c index 6f13296303cb..730ef97a57e6 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/cn20k/debugfs.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/cn20k/debugfs.c @@ -13,6 +13,7 @@ #include "struct.h" #include "rvu.h" #include "debugfs.h" +#include "cn20k/reg.h" #include "cn20k/npc.h" =20 static int npc_mcam_layout_show(struct seq_file *s, void *unused) @@ -58,7 +59,8 @@ static int npc_mcam_layout_show(struct seq_file *s, void = *unused) "v:%u", vidx0); } =20 - seq_printf(s, "\t%u(%#x) %s\n", idx0, pf1, + seq_printf(s, "\t%u(%#x)%c %s\n", idx0, pf1, + test_bit(idx0, npc_priv->en_map) ? '+' : ' ', map ? buf0 : " "); } goto next; @@ -101,9 +103,13 @@ static int npc_mcam_layout_show(struct seq_file *s, vo= id *unused) vidx1); } =20 - seq_printf(s, "%05u(%#x) %s\t\t%05u(%#x) %s\n", - idx1, pf2, v1 ? buf1 : " ", - idx0, pf1, v0 ? buf0 : " "); + seq_printf(s, "%05u(%#x)%c %s\t\t%05u(%#x)%c %s\n", + idx1, pf2, + test_bit(idx1, npc_priv->en_map) ? '+' : ' ', + v1 ? buf1 : " ", + idx0, pf1, + test_bit(idx0, npc_priv->en_map) ? '+' : ' ', + v0 ? buf0 : " "); =20 continue; } @@ -120,8 +126,9 @@ static int npc_mcam_layout_show(struct seq_file *s, voi= d *unused) vidx0); } =20 - seq_printf(s, "\t\t \t\t%05u(%#x) %s\n", idx0, - pf1, map ? buf0 : " "); + seq_printf(s, "\t\t \t\t%05u(%#x)%c %s\n", idx0, pf1, + test_bit(idx0, npc_priv->en_map) ? '+' : ' ', + map ? buf0 : " "); continue; } =20 @@ -134,7 +141,8 @@ static int npc_mcam_layout_show(struct seq_file *s, voi= d *unused) snprintf(buf1, sizeof(buf1), "v:%05u", vidx1); } =20 - seq_printf(s, "%05u(%#x) %s\n", idx1, pf1, + seq_printf(s, "%05u(%#x)%c %s\n", idx1, pf1, + test_bit(idx1, npc_priv->en_map) ? '+' : ' ', map ? buf1 : " "); } next: @@ -145,6 +153,136 @@ static int npc_mcam_layout_show(struct seq_file *s, v= oid *unused) =20 DEFINE_SHOW_ATTRIBUTE(npc_mcam_layout); =20 +#define __OCTEONTX2_DEBUGFS_ATTRIBUTE_FOPS(__name) \ +static const struct file_operations __name ## _fops =3D { \ + .owner =3D THIS_MODULE, \ + .open =3D __name ## _open, \ + .read =3D seq_read, \ + .llseek =3D seq_lseek, \ + .release =3D single_release, \ +} + +#define DEFINE_OCTEONTX2_DEBUGFS_ATTRIBUTE_WITH_SIZE(__name, __size) \ +static int __name ## _open(struct inode *inode, struct file *file) \ +{ \ + return single_open_size(file, __name ## _show, inode->i_private, \ + __size); \ +} \ +__OCTEONTX2_DEBUGFS_ATTRIBUTE_FOPS(__name) + +static DEFINE_MUTEX(stats_lock); + +/* MAX_NUM_BANKS, MAX_SUBBANK_DEPTH and MAX_NUM_SUB_BANKS represent + * hard limit on all silicon variants, preventing any possibility of + * out-of-bounds access. + */ +static u64 dstats[MAX_NUM_BANKS][MAX_SUBBANK_DEPTH * MAX_NUM_SUB_BANKS] = =3D {}; +static int npc_mcam_dstats_show(struct seq_file *s, void *unused) +{ + struct npc_priv_t *npc_priv; + int blkaddr, pf, mcam_idx; + u64 stats, delta; + struct rvu *rvu; + char buff[64]; + u8 key_type; + void *map; + + npc_priv =3D npc_priv_get(); + rvu =3D s->private; + blkaddr =3D rvu_get_blkaddr(rvu, BLKTYPE_NPC, 0); + if (blkaddr < 0) + return 0; + + mutex_lock(&stats_lock); + seq_puts(s, "idx\tpfunc\tstats\n"); + for (int bank =3D npc_priv->num_banks - 1; bank >=3D 0; bank--) { + for (int idx =3D npc_priv->bank_depth - 1; idx >=3D 0; idx--) { + mcam_idx =3D bank * npc_priv->bank_depth + idx; + + if (npc_mcam_idx_2_key_type(rvu, mcam_idx, &key_type)) + continue; + + if (key_type =3D=3D NPC_MCAM_KEY_X4 && bank !=3D 0) + continue; + + if (!test_bit(mcam_idx, npc_priv->en_map)) + continue; + + stats =3D rvu_read64(rvu, blkaddr, + NPC_AF_CN20K_MCAMEX_BANKX_STAT_EXT(idx, bank)); + if (!stats) + continue; + if (stats =3D=3D dstats[bank][idx]) + continue; + + if (stats < dstats[bank][idx]) + dstats[bank][idx] =3D 0; + + pf =3D 0xFFFF; + map =3D xa_load(&npc_priv->xa_idx2pf_map, mcam_idx); + if (map) + pf =3D xa_to_value(map); + + delta =3D stats - dstats[bank][idx]; + + snprintf(buff, sizeof(buff), "%u\t%#04x\t%llu\n", + mcam_idx, pf, delta); + seq_puts(s, buff); + + dstats[bank][idx] =3D stats; + } + } + + mutex_unlock(&stats_lock); + return 0; +} + +/* "%u\t%#04x\t%llu\n" needs less than 64 characters to print */ +#define TOTAL_SZ (MAX_NUM_BANKS * MAX_NUM_SUB_BANKS * MAX_SUBBANK_DEPTH * = 64) +DEFINE_OCTEONTX2_DEBUGFS_ATTRIBUTE_WITH_SIZE(npc_mcam_dstats, TOTAL_SZ); + +static int npc_mcam_mismatch_show(struct seq_file *s, void *unused) +{ + struct npc_priv_t *npc_priv; + struct npc_subbank *sb; + int mcam_idx, sb_off; + struct rvu *rvu; + char buff[64]; + void *map; + int rc; + + npc_priv =3D npc_priv_get(); + rvu =3D s->private; + + seq_puts(s, "index\tsb idx\tkw type\n"); + for (int bank =3D npc_priv->num_banks - 1; bank >=3D 0; bank--) { + for (int idx =3D npc_priv->bank_depth - 1; idx >=3D 0; idx--) { + mcam_idx =3D bank * npc_priv->bank_depth + idx; + + if (!test_bit(mcam_idx, npc_priv->en_map)) + continue; + + map =3D xa_load(&npc_priv->xa_idx2pf_map, mcam_idx); + if (map) + continue; + + rc =3D npc_mcam_idx_2_subbank_idx(rvu, mcam_idx, + &sb, &sb_off); + if (rc) + continue; + + snprintf(buff, sizeof(buff), "%u\t%d\t%u\n", + mcam_idx, sb->idx, sb->key_type); + + seq_puts(s, buff); + } + } + return 0; +} + +/* "%u\t%d\t%u\n" needs less than 64 characters to print. */ +DEFINE_OCTEONTX2_DEBUGFS_ATTRIBUTE_WITH_SIZE(npc_mcam_mismatch, TOTAL_SZ); + static int npc_mcam_default_show(struct seq_file *s, void *unused) { struct npc_priv_t *npc_priv; @@ -259,6 +397,12 @@ int npc_cn20k_debugfs_init(struct rvu *rvu) debugfs_create_file("vidx2idx", 0444, rvu->rvu_dbg.npc, npc_priv, &npc_vidx2idx_map_fops); =20 + debugfs_create_file("dstats", 0444, rvu->rvu_dbg.npc, rvu, + &npc_mcam_dstats_fops); + + debugfs_create_file("mismatch", 0444, rvu->rvu_dbg.npc, rvu, + &npc_mcam_mismatch_fops); + debugfs_create_file("idx2vidx", 0444, rvu->rvu_dbg.npc, npc_priv, &npc_idx2vidx_map_fops); =20 diff --git a/drivers/net/ethernet/marvell/octeontx2/af/cn20k/npc.c b/driver= s/net/ethernet/marvell/octeontx2/af/cn20k/npc.c index 6b3f453fd500..9fa9a589cf9c 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/cn20k/npc.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/cn20k/npc.c @@ -824,7 +824,7 @@ npc_cn20k_enable_mcam_entry(struct rvu *rvu, int blkadd= r, rvu_write64(rvu, blkaddr, NPC_AF_CN20K_MCAMEX_BANKX_CFG_EXT(mcam_idx, bank), cfg); - return 0; + goto update_en_map; } =20 /* For NPC_CN20K_MCAM_KEY_X4 keys, both the banks @@ -842,6 +842,12 @@ npc_cn20k_enable_mcam_entry(struct rvu *rvu, int blkad= dr, cfg); } =20 +update_en_map: + if (enable) + set_bit(index, npc_priv.en_map); + else + clear_bit(index, npc_priv.en_map); + return 0; } =20 @@ -1789,9 +1795,9 @@ static int npc_subbank_idx_2_mcam_idx(struct rvu *rvu= , struct npc_subbank *sb, return 0; } =20 -static int npc_mcam_idx_2_subbank_idx(struct rvu *rvu, u16 mcam_idx, - struct npc_subbank **sb, - int *sb_off) +int npc_mcam_idx_2_subbank_idx(struct rvu *rvu, u16 mcam_idx, + struct npc_subbank **sb, + int *sb_off) { int bank_off, sb_id; =20 @@ -4498,11 +4504,19 @@ static int npc_priv_init(struct rvu *rvu) npc_const2 =3D rvu_read64(rvu, blkaddr, NPC_AF_CONST2); =20 num_banks =3D mcam->banks; + if (num_banks > MAX_NUM_BANKS) { + dev_err(rvu->dev, + "Number of banks(%u) is invalid\n", num_banks); + return -EINVAL; + } + bank_depth =3D mcam->banksize; =20 num_subbanks =3D FIELD_GET(GENMASK_ULL(39, 32), npc_const2); - if (!num_subbanks) { - dev_err(rvu->dev, "Number of subbanks is zero\n"); + if (!num_subbanks || num_subbanks > MAX_NUM_SUB_BANKS) { + dev_err(rvu->dev, + "Number of subbanks is invalid %u\n", + num_subbanks); return -EFAULT; } =20 @@ -4513,10 +4527,15 @@ static int npc_priv_init(struct rvu *rvu) return -EINVAL; } =20 - npc_priv.num_subbanks =3D num_subbanks; - subbank_depth =3D bank_depth / num_subbanks; + if (subbank_depth > MAX_SUBBANK_DEPTH) { + dev_err(rvu->dev, + "Invalid subbank depth %u\n", + subbank_depth); + return -EINVAL; + } =20 + npc_priv.num_subbanks =3D num_subbanks; npc_priv.bank_depth =3D bank_depth; npc_priv.subbank_depth =3D subbank_depth; =20 @@ -4605,6 +4624,8 @@ void npc_cn20k_deinit(struct rvu *rvu) */ kfree(npc_priv.sb); kfree(subbank_srch_order); + bitmap_clear(npc_priv.en_map, 0, MAX_NUM_BANKS * MAX_NUM_SUB_BANKS * + MAX_SUBBANK_DEPTH); } =20 static int npc_setup_mcam_section(struct rvu *rvu, int key_type) diff --git a/drivers/net/ethernet/marvell/octeontx2/af/cn20k/npc.h b/driver= s/net/ethernet/marvell/octeontx2/af/cn20k/npc.h index 3d5eb952cc07..3e851950be64 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/cn20k/npc.h +++ b/drivers/net/ethernet/marvell/octeontx2/af/cn20k/npc.h @@ -10,6 +10,10 @@ =20 #define MKEX_CN20K_SIGN 0x19bbfdbd160 =20 +/* MAX_NUM_BANKS, MAX_SUBBANK_DEPTH and MAX_NUM_SUB_BANKS represent + * hard limit on all silicon variants, preventing any possibility of + * out-of-bounds access on matrix defined using these values. + */ #define MAX_NUM_BANKS 2 #define MAX_NUM_SUB_BANKS 32 #define MAX_SUBBANK_DEPTH 256 @@ -170,6 +174,7 @@ struct npc_defrag_show_node { * @num_banks: Number of banks. * @num_subbanks: Number of subbanks. * @subbank_depth: Depth of subbank. + * @en_map: Enable/disable status. * @kw: Kex configured key type. * @sb: Subbank array. * @xa_sb_used: Array of used subbanks. @@ -193,6 +198,9 @@ struct npc_priv_t { const int num_banks; 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(unknown [10.28.36.165]) by maili.marvell.com (Postfix) with ESMTP id 61E443F7062; Sun, 31 May 2026 19:59:18 -0700 (PDT) From: Ratheesh Kannoth To: , CC: , , , , , , , , , "Ratheesh Kannoth" Subject: [PATCH v17 net-next 2/8] devlink: heap-allocate param fill buffers in devlink_nl_param_fill Date: Mon, 1 Jun 2026 08:28:37 +0530 Message-ID: <20260601025844.865865-3-rkannoth@marvell.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260601025844.865865-1-rkannoth@marvell.com> References: <20260601025844.865865-1-rkannoth@marvell.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjAxMDAyOCBTYWx0ZWRfX4ynTvK9p3n/D bJn8GhNUS7gjXYkJcicweJSnKqj8pAoZD1U19I9Jk+CWyUtggimbE8D787WQTJNQIQhlO2u6ckk aopSYuVCFEjv1baDPxANSdVYUdBqJSMhKp1Hjx2IMqNy2AfeNacllMDHPCNbvdozvWcrImroeut UtRufuLb4lXVnNYtuw/Fep4jBEJ0kOTcQMQqMcbsaSLD419zaHwUufojrUNmBQE9fKyIwci+1hG tmuROVfqHylv9vPKTCHg221OrbnauqW1DZLbwWAZyNJYTNVCnVnQ5aQwfSUZu6BKuwaRhbG3Yaf MhPDEvtSmr0m2EtPv7uwuuI8iHtRpNo8mmQr/43GR685yv9yjutDo0rCViEbOv/pMhQKjwVguA2 +9IlBfh8slWFdG9yIOtDwZf3Ahlw/KLyW+AAN/UYJFOcV3/jZ7RzLZPz8Gj1/g4ZYUsRhckyct9 IasvM0Gz44ZTJFqcpZw== X-Authority-Analysis: v=2.4 cv=cLjQdFeN c=1 sm=1 tr=0 ts=6a1cf58b cx=c_pps a=rEv8fa4AjpPjGxpoe8rlIQ==:117 a=rEv8fa4AjpPjGxpoe8rlIQ==:17 a=NGcC8JguVDcA:10 a=VkNPw1HP01LnGYTKEx00:22 a=l0iWHRpgs5sLHlkKQ1IR:22 a=QXcCYyLzdtTjyudCfB6f:22 a=M5GUcnROAAAA:8 a=QAS8UgIW8qh4FKEizQ4A:9 a=OBjm3rFKGHvpk9ecZwUJ:22 X-Proofpoint-ORIG-GUID: I9N6beZdgf-BULeALJVZL8HqvqVxXDa7 X-Proofpoint-GUID: I9N6beZdgf-BULeALJVZL8HqvqVxXDa7 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-01_01,2026-05-28_03,2025-10-01_01 Content-Type: text/plain; charset="utf-8" devlink_nl_param_fill() kept two per-configuration-mode copies of union devlink_param_value plus a struct devlink_param_gset_ctx on the stack while building the Netlink reply. Allocate those with kcalloc() and kzalloc_obj() instead, and route failures through a single cleanup path so temporary buffers are always freed. Signed-off-by: Ratheesh Kannoth --- net/devlink/param.c | 62 +++++++++++++++++++++++++++++++++------------ 1 file changed, 46 insertions(+), 16 deletions(-) diff --git a/net/devlink/param.c b/net/devlink/param.c index 1a196d3a843d..bd3881349c60 100644 --- a/net/devlink/param.c +++ b/net/devlink/param.c @@ -304,56 +304,79 @@ static int devlink_nl_param_fill(struct sk_buff *msg,= struct devlink *devlink, u32 portid, u32 seq, int flags, struct netlink_ext_ack *extack) { - union devlink_param_value default_value[DEVLINK_PARAM_CMODE_MAX + 1]; - union devlink_param_value param_value[DEVLINK_PARAM_CMODE_MAX + 1]; bool default_value_set[DEVLINK_PARAM_CMODE_MAX + 1] =3D {}; bool param_value_set[DEVLINK_PARAM_CMODE_MAX + 1] =3D {}; const struct devlink_param *param =3D param_item->param; - struct devlink_param_gset_ctx ctx; + union devlink_param_value *default_value; + union devlink_param_value *param_value; + struct devlink_param_gset_ctx *ctx; struct nlattr *param_values_list; struct nlattr *param_attr; void *hdr; int err; int i; =20 + default_value =3D kcalloc(DEVLINK_PARAM_CMODE_MAX + 1, + sizeof(*default_value), GFP_KERNEL); + if (!default_value) + return -ENOMEM; + + param_value =3D kcalloc(DEVLINK_PARAM_CMODE_MAX + 1, + sizeof(*param_value), GFP_KERNEL); + if (!param_value) { + kfree(default_value); + return -ENOMEM; + } + + ctx =3D kzalloc_obj(*ctx); + if (!ctx) { + kfree(param_value); + kfree(default_value); + return -ENOMEM; + } + /* Get value from driver part to driverinit configuration mode */ for (i =3D 0; i <=3D DEVLINK_PARAM_CMODE_MAX; i++) { if (!devlink_param_cmode_is_supported(param, i)) continue; if (i =3D=3D DEVLINK_PARAM_CMODE_DRIVERINIT) { - if (param_item->driverinit_value_new_valid) + if (param_item->driverinit_value_new_valid) { param_value[i] =3D param_item->driverinit_value_new; - else if (param_item->driverinit_value_valid) + } else if (param_item->driverinit_value_valid) { param_value[i] =3D param_item->driverinit_value; - else - return -EOPNOTSUPP; + } else { + err =3D -EOPNOTSUPP; + goto get_put_fail; + } =20 if (param_item->driverinit_value_valid) { default_value[i] =3D param_item->driverinit_default; default_value_set[i] =3D true; } } else { - ctx.cmode =3D i; - err =3D devlink_param_get(devlink, param, &ctx, extack); + ctx->cmode =3D i; + err =3D devlink_param_get(devlink, param, ctx, extack); if (err) - return err; - param_value[i] =3D ctx.val; + goto get_put_fail; =20 - err =3D devlink_param_get_default(devlink, param, &ctx, + param_value[i] =3D ctx->val; + + err =3D devlink_param_get_default(devlink, param, ctx, extack); if (!err) { - default_value[i] =3D ctx.val; + default_value[i] =3D ctx->val; default_value_set[i] =3D true; } else if (err !=3D -EOPNOTSUPP) { - return err; + goto get_put_fail; } } param_value_set[i] =3D true; } =20 + err =3D -EMSGSIZE; hdr =3D genlmsg_put(msg, portid, seq, &devlink_nl_family, flags, cmd); if (!hdr) - return -EMSGSIZE; + goto get_put_fail; =20 if (devlink_nl_put_handle(msg, devlink)) goto genlmsg_cancel; @@ -393,6 +416,9 @@ static int devlink_nl_param_fill(struct sk_buff *msg, s= truct devlink *devlink, nla_nest_end(msg, param_values_list); 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(unknown [10.28.36.165]) by maili.marvell.com (Postfix) with ESMTP id 472343F7062; Sun, 31 May 2026 19:59:22 -0700 (PDT) From: Ratheesh Kannoth To: , CC: , , , , , , , , , "Saeed Mahameed" , Ratheesh Kannoth Subject: [PATCH v17 net-next 3/8] devlink: Implement devlink param multi attribute nested data values Date: Mon, 1 Jun 2026 08:28:38 +0530 Message-ID: <20260601025844.865865-4-rkannoth@marvell.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260601025844.865865-1-rkannoth@marvell.com> References: <20260601025844.865865-1-rkannoth@marvell.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjAxMDAyOCBTYWx0ZWRfX6/HGC6yfAIb0 eyBJMgTiX+bA0T96g6C1igaxHTz20VZ+Ib2lilaeXFwR80OCd9r/XKmkneuPcdYB6lB6oHErrYa gCsb+iHmkKY/8/iaEUTQxaWhTEZgoGZferdWDrPZ5iSE2jlGLuw1CNlg1z7khHKIcobiPUBF9Pe WTbLl2zNTrvXCm/LzVKrloWaGfuO2ggMhnNq/f180MD6opcTMGXen0wtKFhD9szcKJptu0BnIqt w3CVxJsnbEF0rn/sXKNV3fMVNQ0GJX35X2jTHeD77D6+T4ElFOCwlZ7gQLYxgArJmN137CHef7Y BGE938GiaTDROYATdoYBfrBQbUjwUEQyMWgwGLlgPrmNGClbXLfzXxYSPU6sbBiSTEXarb1Gh69 SSJLsOYUMeFat3cGyuywbrCYQysMwkIflVyYtc8Cok22fvTexJHe7wPjHKJTqOs41LaByBwBz5c 0PD+hOXBlg09C2lywNA== X-Proofpoint-GUID: _tle5DYntS9pkJDkILn4rZt1Wq1NX75c X-Proofpoint-ORIG-GUID: _tle5DYntS9pkJDkILn4rZt1Wq1NX75c X-Authority-Analysis: v=2.4 cv=F99nsKhN c=1 sm=1 tr=0 ts=6a1cf58f cx=c_pps a=gIfcoYsirJbf48DBMSPrZA==:117 a=gIfcoYsirJbf48DBMSPrZA==:17 a=NGcC8JguVDcA:10 a=VkNPw1HP01LnGYTKEx00:22 a=l0iWHRpgs5sLHlkKQ1IR:22 a=EAYMVhzMl8SCOHhVQcBL:22 a=Ikd4Dj_1AAAA:8 a=M5GUcnROAAAA:8 a=poRX95JG0-uQvCm-gVcA:9 a=OBjm3rFKGHvpk9ecZwUJ:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-01_01,2026-05-28_03,2025-10-01_01 Content-Type: text/plain; charset="utf-8" From: Saeed Mahameed Devlink param value attribute is not defined since devlink is handling the value validating and parsing internally, this allows us to implement multi attribute values without breaking any policies. Devlink param multi-attribute values are considered to be dynamically sized arrays of u64 values, by introducing a new devlink param type DEVLINK_PARAM_TYPE_U64_ARRAY, driver and user space can set a variable count of u64 values into the DEVLINK_ATTR_PARAM_VALUE_DATA attribute. Implement get/set parsing and add to the internal value structure passed to drivers. This is useful for devices that need to configure a list of values for a specific configuration. example: $ devlink dev param show pci/... name multi-value-param name multi-value-param type driver-specific values: cmode permanent value: 0,1,2,3,4,5,6,7 $ devlink dev param set pci/... name multi-value-param \ value 4,5,6,7,0,1,2,3 cmode permanent Signed-off-by: Saeed Mahameed Signed-off-by: Ratheesh Kannoth --- Documentation/netlink/specs/devlink.yaml | 4 +++ include/net/devlink.h | 8 ++++++ include/uapi/linux/devlink.h | 1 + net/devlink/netlink_gen.c | 2 ++ net/devlink/param.c | 33 +++++++++++++++++++++++- 5 files changed, 47 insertions(+), 1 deletion(-) diff --git a/Documentation/netlink/specs/devlink.yaml b/Documentation/netli= nk/specs/devlink.yaml index 247b147d689f..52ad1e7805d1 100644 --- a/Documentation/netlink/specs/devlink.yaml +++ b/Documentation/netlink/specs/devlink.yaml @@ -234,6 +234,10 @@ definitions: value: 10 - name: binary + - + name: u64-array + value: 129 + - name: rate-tc-index-max type: const diff --git a/include/net/devlink.h b/include/net/devlink.h index 5f4083dc4345..dd546dbd57cf 100644 --- a/include/net/devlink.h +++ b/include/net/devlink.h @@ -433,6 +433,13 @@ enum devlink_param_type { DEVLINK_PARAM_TYPE_U64 =3D DEVLINK_VAR_ATTR_TYPE_U64, DEVLINK_PARAM_TYPE_STRING =3D DEVLINK_VAR_ATTR_TYPE_STRING, DEVLINK_PARAM_TYPE_BOOL =3D DEVLINK_VAR_ATTR_TYPE_FLAG, + DEVLINK_PARAM_TYPE_U64_ARRAY =3D DEVLINK_VAR_ATTR_TYPE_U64_ARRAY, +}; + +#define __DEVLINK_PARAM_MAX_ARRAY_SIZE 32 +struct devlink_param_u64_array { + u64 size; + u64 val[__DEVLINK_PARAM_MAX_ARRAY_SIZE]; }; =20 union devlink_param_value { @@ -442,6 +449,7 @@ union devlink_param_value { u64 vu64; char vstr[__DEVLINK_PARAM_MAX_STRING_VALUE]; bool vbool; + struct devlink_param_u64_array u64arr; }; =20 struct devlink_param_gset_ctx { diff --git a/include/uapi/linux/devlink.h b/include/uapi/linux/devlink.h index 0b165eac7619..ca713bcc47b9 100644 --- a/include/uapi/linux/devlink.h +++ b/include/uapi/linux/devlink.h @@ -406,6 +406,7 @@ enum devlink_var_attr_type { DEVLINK_VAR_ATTR_TYPE_BINARY, __DEVLINK_VAR_ATTR_TYPE_CUSTOM_BASE =3D 0x80, /* Any possible custom types, unrelated to NLA_* values go below */ + DEVLINK_VAR_ATTR_TYPE_U64_ARRAY, }; =20 enum devlink_attr { diff --git a/net/devlink/netlink_gen.c b/net/devlink/netlink_gen.c index 81899786fd98..f52b0c2b19ed 100644 --- a/net/devlink/netlink_gen.c +++ b/net/devlink/netlink_gen.c @@ -37,6 +37,8 @@ devlink_attr_param_type_validate(const struct nlattr *att= r, case DEVLINK_VAR_ATTR_TYPE_NUL_STRING: fallthrough; case DEVLINK_VAR_ATTR_TYPE_BINARY: + fallthrough; + case DEVLINK_VAR_ATTR_TYPE_U64_ARRAY: return 0; } NL_SET_ERR_MSG_ATTR(extack, attr, "invalid enum value"); diff --git a/net/devlink/param.c b/net/devlink/param.c index bd3881349c60..7bac937e305b 100644 --- a/net/devlink/param.c +++ b/net/devlink/param.c @@ -252,6 +252,15 @@ devlink_nl_param_value_put(struct sk_buff *msg, enum d= evlink_param_type type, return -EMSGSIZE; } break; + case DEVLINK_PARAM_TYPE_U64_ARRAY: + if (val->u64arr.size >=3D __DEVLINK_PARAM_MAX_ARRAY_SIZE) + return -EMSGSIZE; + + for (int i =3D 0; i < val->u64arr.size; i++) { + if (nla_put_uint(msg, nla_type, val->u64arr.val[i])) + return -EMSGSIZE; + } + break; } return 0; } @@ -537,7 +546,7 @@ devlink_param_value_get_from_info(const struct devlink_= param *param, union devlink_param_value *value) { struct nlattr *param_data; - int len; + int len, cnt, rem; =20 param_data =3D info->attrs[DEVLINK_ATTR_PARAM_VALUE_DATA]; =20 @@ -577,6 +586,28 @@ devlink_param_value_get_from_info(const struct devlink= _param *param, return -EINVAL; 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(unknown [10.28.36.165]) by maili.marvell.com (Postfix) with ESMTP id 67E513F7085; Sun, 31 May 2026 19:59:26 -0700 (PDT) From: Ratheesh Kannoth To: , CC: , , , , , , , , , "Ratheesh Kannoth" Subject: [PATCH v17 net-next 4/8] octeontx2-af: npc: cn20k: add subbank search order control Date: Mon, 1 Jun 2026 08:28:39 +0530 Message-ID: <20260601025844.865865-5-rkannoth@marvell.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260601025844.865865-1-rkannoth@marvell.com> References: <20260601025844.865865-1-rkannoth@marvell.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Proofpoint-ORIG-GUID: eFNqfagdGa4UJQQc1nsCZ96KBQT0CTvA X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjAxMDAyOCBTYWx0ZWRfXwHwBs84W5LkE gwln+DlNu3ZHYoDIGx88/J0ifAK6lkf326rABdluedSXMHHskQ+X/0NpKeZUK64SUoHpjFDo77j 80Zy4otowyEArrTgrNUQ86o4fDwcxvwII5BrAHJ2Mmevo1uuHkVTMVULUfSXKsx4KUhtqBsMqGQ DE5EBwPsM61KCrj8dsqk4ukpKe2abwF9faBj0fHsoM8GGujcSiKPkPtNORd6TCF/Zlbcy8s1s/7 rL8qwPmc/Lv1Tzl5kLbX6Lm/G3JrweXQQM48majaSXvbgsjHn09cECzLOXOsa3j70zi8Q4Ls4rD 5wcREllJfYDk/JFqPiB2D4Ny/o/Ou63pl4lFwwL3vpjyl0P+IqL/1ncCF9GDFRVdgUg6lrCh4Qq FzE16p5jownLjyB5hjH8Q8x7VmDvKupQQs88TqtEO6na4Nsci3PyGlCWgXpfRcQF3B95bZ4WX0x uabVmGS8sxacLUvpmAw== X-Proofpoint-GUID: eFNqfagdGa4UJQQc1nsCZ96KBQT0CTvA X-Authority-Analysis: v=2.4 cv=ON0XGyaB c=1 sm=1 tr=0 ts=6a1cf592 cx=c_pps a=gIfcoYsirJbf48DBMSPrZA==:117 a=gIfcoYsirJbf48DBMSPrZA==:17 a=NGcC8JguVDcA:10 a=VkNPw1HP01LnGYTKEx00:22 a=l0iWHRpgs5sLHlkKQ1IR:22 a=qit2iCtTFQkLgVSMPQTB:22 a=M5GUcnROAAAA:8 a=z2PpVAnn9QbhSI22PBIA:9 a=OBjm3rFKGHvpk9ecZwUJ:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-01_01,2026-05-28_03,2025-10-01_01 Content-Type: text/plain; charset="utf-8" CN20K NPC MCAM is split into 32 subbanks that are searched in a predefined order during allocation. Lower-numbered subbanks have higher priority than higher-numbered ones. Add a runtime "srch_order" to control the order in which subbanks are searched during MCAM allocation. Signed-off-by: Ratheesh Kannoth --- .../ethernet/marvell/octeontx2/af/cn20k/npc.c | 120 +++++++++++++++++- .../ethernet/marvell/octeontx2/af/cn20k/npc.h | 3 + .../marvell/octeontx2/af/rvu_devlink.c | 92 ++++++++++++-- 3 files changed, 203 insertions(+), 12 deletions(-) diff --git a/drivers/net/ethernet/marvell/octeontx2/af/cn20k/npc.c b/driver= s/net/ethernet/marvell/octeontx2/af/cn20k/npc.c index 9fa9a589cf9c..0e1744609ccf 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/cn20k/npc.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/cn20k/npc.c @@ -3376,7 +3376,7 @@ rvu_mbox_handler_npc_cn20k_get_kex_cfg(struct rvu *rv= u, return 0; } =20 -static int *subbank_srch_order; +static u32 *subbank_srch_order; =20 static void npc_populate_restricted_idxs(int num_subbanks) { @@ -3388,7 +3388,7 @@ static int npc_create_srch_order(int cnt) { int val =3D 0; =20 - subbank_srch_order =3D kcalloc(cnt, sizeof(int), + subbank_srch_order =3D kcalloc(cnt, sizeof(u32), GFP_KERNEL); if (!subbank_srch_order) return -ENOMEM; @@ -3906,6 +3906,122 @@ static void npc_unlock_all_subbank(void) mutex_unlock(&npc_priv.sb[i].lock); } =20 +int npc_cn20k_search_order_set(struct rvu *rvu, + u64 narr[MAX_NUM_SUB_BANKS], int cnt) +{ + struct npc_mcam *mcam =3D &rvu->hw->mcam; + int rsrc[2][MAX_NUM_SUB_BANKS] =3D { }; + u8 save[MAX_NUM_SUB_BANKS] =3D { }; + struct npc_subbank *sb; + struct xarray *xa; + int prio, rc, err; + int sb_idx; + enum { + FREE =3D 0, + USED =3D 1, + }; + + if (cnt !=3D npc_priv.num_subbanks) { + dev_err(rvu->dev, "Number of entries(%u) !=3D %u\n", + cnt, npc_priv.num_subbanks); + return -EINVAL; + } + + mutex_lock(&mcam->lock); + npc_lock_all_subbank(); + + for (sb_idx =3D 0; sb_idx < cnt; sb_idx++) { + sb =3D &npc_priv.sb[sb_idx]; + save[sb->idx] =3D sb->arr_idx; + } + + for (prio =3D 0; prio < cnt; prio++) { + sb_idx =3D narr[prio]; + sb =3D &npc_priv.sb[sb_idx]; + + if (sb->flags & NPC_SUBBANK_FLAG_USED) + xa =3D &npc_priv.xa_sb_used; + else + xa =3D &npc_priv.xa_sb_free; + + rc =3D xa_err(xa_store(xa, prio, + xa_mk_value(sb_idx), GFP_KERNEL)); + if (rc) { + dev_err(rvu->dev, + "Setting arr_idx=3D%d for sb=3D%d failed\n", + sb->arr_idx, sb_idx); + goto fail; + } + + if (sb->flags & NPC_SUBBANK_FLAG_USED) { + rsrc[USED][sb->arr_idx] -=3D 1; + rsrc[USED][prio] +=3D 1; + } else { + rsrc[FREE][sb->arr_idx] -=3D 1; + rsrc[FREE][prio] +=3D 1; + } + + sb->arr_idx =3D prio; + } + + for (prio =3D 0; prio < cnt; prio++) { + if (rsrc[FREE][prio] =3D=3D -1) + xa_erase(&npc_priv.xa_sb_free, prio); + + if (rsrc[USED][prio] =3D=3D -1) + xa_erase(&npc_priv.xa_sb_used, prio); + } + + for (int i =3D 0; i < cnt; i++) + subbank_srch_order[i] =3D (u32)narr[i]; + + restrict_valid =3D false; + + npc_unlock_all_subbank(); + mutex_unlock(&mcam->lock); + + return 0; + +fail: + for (prio =3D 0; prio < cnt; prio++) { + if (rsrc[FREE][prio] =3D=3D 1) + xa_erase(&npc_priv.xa_sb_free, prio); + + if (rsrc[USED][prio] =3D=3D 1) + xa_erase(&npc_priv.xa_sb_used, prio); + } + + for (sb_idx =3D 0; sb_idx < cnt; sb_idx++) { + sb =3D &npc_priv.sb[sb_idx]; + sb->arr_idx =3D save[sb_idx]; + + if (sb->flags & NPC_SUBBANK_FLAG_USED) + xa =3D &npc_priv.xa_sb_used; + else + xa =3D &npc_priv.xa_sb_free; + + /* Since the entry already exists, xa_store() replaces + * the value without a kmalloc(), making failure highly unlikely. + */ + err =3D xa_err(xa_store(xa, sb->arr_idx, + xa_mk_value(sb->idx), GFP_KERNEL)); + WARN(!!err, "Failed to rollback sb=3D%u idx=3D%u\n", + sb->idx, sb->arr_idx); + } + + npc_unlock_all_subbank(); + mutex_unlock(&mcam->lock); + + return rc; +} + +const u32 *npc_cn20k_search_order_get(bool *restricted_order, u32 *sz) +{ + *restricted_order =3D restrict_valid; + *sz =3D npc_priv.num_subbanks; + return subbank_srch_order; +} + /* Only non-ref non-contigous mcam indexes * are picked for defrag process */ diff --git a/drivers/net/ethernet/marvell/octeontx2/af/cn20k/npc.h b/driver= s/net/ethernet/marvell/octeontx2/af/cn20k/npc.h index 3e851950be64..8bf857317e49 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/cn20k/npc.h +++ b/drivers/net/ethernet/marvell/octeontx2/af/cn20k/npc.h @@ -347,5 +347,8 @@ bool npc_is_cgx_or_lbk(struct rvu *rvu, u16 pcifunc); int npc_mcam_idx_2_subbank_idx(struct rvu *rvu, u16 mcam_idx, struct npc_subbank **sb, int *sb_off); +const u32 *npc_cn20k_search_order_get(bool *restricted_order, u32 *sz); +int npc_cn20k_search_order_set(struct rvu *rvu, u64 narr[MAX_NUM_SUB_BANKS= ], + int cnt); =20 #endif /* NPC_CN20K_H */ diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_devlink.c b/driv= ers/net/ethernet/marvell/octeontx2/af/rvu_devlink.c index a42404e6db7c..aa3ecab5ebd8 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_devlink.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_devlink.c @@ -1258,6 +1258,7 @@ enum rvu_af_dl_param_id { RVU_AF_DEVLINK_PARAM_ID_NPC_EXACT_FEATURE_DISABLE, RVU_AF_DEVLINK_PARAM_ID_NPC_DEF_RULE_CNTR_ENABLE, RVU_AF_DEVLINK_PARAM_ID_NPC_DEFRAG, + RVU_AF_DEVLINK_PARAM_ID_NPC_SRCH_ORDER, RVU_AF_DEVLINK_PARAM_ID_NIX_MAXLF, }; =20 @@ -1619,12 +1620,83 @@ static int rvu_devlink_eswitch_mode_set(struct devl= ink *devlink, u16 mode, return 0; } =20 +static int rvu_af_dl_npc_srch_order_set(struct devlink *devlink, u32 id, + struct devlink_param_gset_ctx *ctx, + struct netlink_ext_ack *extack) +{ + struct rvu_devlink *rvu_dl =3D devlink_priv(devlink); + struct rvu *rvu =3D rvu_dl->rvu; + + return npc_cn20k_search_order_set(rvu, + ctx->val.u64arr.val, + ctx->val.u64arr.size); +} + +static int rvu_af_dl_npc_srch_order_get(struct devlink *devlink, u32 id, + struct devlink_param_gset_ctx *ctx, + struct netlink_ext_ack *extack) +{ + bool restricted_order; + const u32 *order; + u32 sz; + + order =3D npc_cn20k_search_order_get(&restricted_order, &sz); + ctx->val.u64arr.size =3D sz; + for (int i =3D 0; i < sz; i++) + ctx->val.u64arr.val[i] =3D order[i]; + + return 0; +} + +static int rvu_af_dl_npc_srch_order_validate(struct devlink *devlink, u32 = id, + union devlink_param_value *val, + struct netlink_ext_ack *extack) +{ + struct rvu_devlink *rvu_dl =3D devlink_priv(devlink); + struct rvu *rvu =3D rvu_dl->rvu; + bool restricted_order; + unsigned long w =3D 0; + u64 *arr; + u32 sz; + + npc_cn20k_search_order_get(&restricted_order, &sz); + if (sz !=3D val->u64arr.size) { + dev_err(rvu->dev, + "Wrong size %llu, should be %u\n", + val->u64arr.size, sz); + return -EINVAL; + } + + arr =3D val->u64arr.val; + for (int i =3D 0; i < sz; i++) { + if (arr[i] >=3D sz) + return -EINVAL; + + w |=3D BIT_ULL(arr[i]); + } + + if (bitmap_weight(&w, sz) !=3D sz) { + dev_err(rvu->dev, + "Duplicate or out-of-range subbank index. %lu\n", + find_first_zero_bit(&w, sz)); + return -EINVAL; + } + + return 0; +} + static const struct devlink_ops rvu_devlink_ops =3D { .eswitch_mode_get =3D rvu_devlink_eswitch_mode_get, .eswitch_mode_set =3D rvu_devlink_eswitch_mode_set, }; =20 -static const struct devlink_param rvu_af_dl_param_defrag[] =3D { +static const struct devlink_param rvu_af_dl_cn20k_params[] =3D { + DEVLINK_PARAM_DRIVER(RVU_AF_DEVLINK_PARAM_ID_NPC_SRCH_ORDER, + "npc_srch_order", DEVLINK_PARAM_TYPE_U64_ARRAY, + BIT(DEVLINK_PARAM_CMODE_RUNTIME), + rvu_af_dl_npc_srch_order_get, + rvu_af_dl_npc_srch_order_set, + rvu_af_dl_npc_srch_order_validate), DEVLINK_PARAM_DRIVER(RVU_AF_DEVLINK_PARAM_ID_NPC_DEFRAG, "npc_defrag", DEVLINK_PARAM_TYPE_STRING, BIT(DEVLINK_PARAM_CMODE_RUNTIME), @@ -1666,13 +1738,13 @@ int rvu_register_dl(struct rvu *rvu) } =20 if (is_cn20k(rvu->pdev)) { - err =3D devlink_params_register(dl, rvu_af_dl_param_defrag, - ARRAY_SIZE(rvu_af_dl_param_defrag)); + err =3D devlink_params_register(dl, rvu_af_dl_cn20k_params, + ARRAY_SIZE(rvu_af_dl_cn20k_params)); if (err) { dev_err(rvu->dev, - "devlink defrag params register failed with error %d", + "devlink cn20k params register failed with error %d", err); - goto err_dl_defrag; + goto err_dl_cn20k_params; } } =20 @@ -1695,10 +1767,10 @@ int rvu_register_dl(struct rvu *rvu) =20 err_dl_exact_match: if (is_cn20k(rvu->pdev)) - devlink_params_unregister(dl, rvu_af_dl_param_defrag, - ARRAY_SIZE(rvu_af_dl_param_defrag)); + devlink_params_unregister(dl, rvu_af_dl_cn20k_params, + ARRAY_SIZE(rvu_af_dl_cn20k_params)); =20 -err_dl_defrag: +err_dl_cn20k_params: devlink_params_unregister(dl, rvu_af_dl_params, ARRAY_SIZE(rvu_af_dl_para= ms)); =20 err_dl_health: @@ -1717,8 +1789,8 @@ void rvu_unregister_dl(struct rvu *rvu) devlink_params_unregister(dl, rvu_af_dl_params, ARRAY_SIZE(rvu_af_dl_para= ms)); =20 if (is_cn20k(rvu->pdev)) - devlink_params_unregister(dl, rvu_af_dl_param_defrag, - ARRAY_SIZE(rvu_af_dl_param_defrag)); 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(unknown [10.28.36.165]) by maili.marvell.com (Postfix) with ESMTP id 5188D3F7062; Sun, 31 May 2026 19:59:30 -0700 (PDT) From: Ratheesh Kannoth To: , CC: , , , , , , , , , "Ratheesh Kannoth" Subject: [PATCH v17 net-next 5/8] octeontx2: cn20k: Coordinate default rules with NIX LF lifecycle Date: Mon, 1 Jun 2026 08:28:40 +0530 Message-ID: <20260601025844.865865-6-rkannoth@marvell.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260601025844.865865-1-rkannoth@marvell.com> References: <20260601025844.865865-1-rkannoth@marvell.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjAxMDAyOCBTYWx0ZWRfX7VqRRt0bDRiF /FB03PetWqwkF6MDWnmftzXgLszUS7i/ywsK7h9qP2XZ5XRTmvjl9WJ9VdvRmAWXQ55RJDsFUho DlxbXbrhNTGB34qT1lKWucThmUOmWzMOPuc/GDFas73xNB/U6HLvaKi96i2FObgDFNswnnkPQrZ Z+t0NrpyIqqo7KWqjVjoei3c6+1U08oKr8iDEb88d1Ll2dZhFPCVInEl0NKhM3LnsJ+rt+FPzy3 yXbDdtrvNMLSdVOUBeoL7Ie0NZOhSconO/oOwKk3AvACdZcd3ts1dwfyWKL5i132hi7o1i+OEvh 470yweEqEv/C9lUw6SwkqPXmdtqOR8FRjXU1XePnB+BdPbIhNKbis40PL4cLMNC+ZPfF4mIIkIL zLL40h0zv/+6faiWU2boNNCSJSvWXOVTqzCN8m0MNQz4KCpzGPI5tZTdPyb0c6ebuoSETXrRNrE ucCraGaN4aI980Wr+rg== X-Authority-Analysis: v=2.4 cv=cLjQdFeN c=1 sm=1 tr=0 ts=6a1cf596 cx=c_pps a=rEv8fa4AjpPjGxpoe8rlIQ==:117 a=rEv8fa4AjpPjGxpoe8rlIQ==:17 a=NGcC8JguVDcA:10 a=VkNPw1HP01LnGYTKEx00:22 a=l0iWHRpgs5sLHlkKQ1IR:22 a=QXcCYyLzdtTjyudCfB6f:22 a=M5GUcnROAAAA:8 a=D4RoFv6TgYvzmL5duKYA:9 a=OBjm3rFKGHvpk9ecZwUJ:22 X-Proofpoint-ORIG-GUID: SrcfcJ5zIwE2ukvma5F5PXLHv65NuIYZ X-Proofpoint-GUID: SrcfcJ5zIwE2ukvma5F5PXLHv65NuIYZ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-01_01,2026-05-28_03,2025-10-01_01 Content-Type: text/plain; charset="utf-8" Add NIX_LF_DONT_FREE_DFT_IDXS so the PF can send NIX LF free during hw reinit or teardown without the AF freeing CN20K default NPC rule indexes while the driver still owns that state (otx2_init_hw_resources and otx2_free_hw_resources). On CN20K, allocate default NPC rules from NIX LF alloc before nix_interface_init, roll back with npc_cn20k_dft_rules_free on failure, and free from NIX LF free when the new flag is not set. Tighten rvu_mbox_handler_nix_lf_alloc error handling: use a single rc, propagate qmem_alloc and other errors, and set -ENOMEM only when kcalloc fails (remove the blanket -ENOMEM at the free_mem path). Signed-off-by: Ratheesh Kannoth --- .../net/ethernet/marvell/octeontx2/af/mbox.h | 1 + .../ethernet/marvell/octeontx2/af/rvu_nix.c | 69 ++++++++++++------- .../ethernet/marvell/octeontx2/af/rvu_npc.c | 20 ++++-- .../ethernet/marvell/octeontx2/nic/otx2_pf.c | 6 +- 4 files changed, 61 insertions(+), 35 deletions(-) diff --git a/drivers/net/ethernet/marvell/octeontx2/af/mbox.h b/drivers/net= /ethernet/marvell/octeontx2/af/mbox.h index dc42c81c0942..e07fbf842b94 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/mbox.h +++ b/drivers/net/ethernet/marvell/octeontx2/af/mbox.h @@ -1009,6 +1009,7 @@ struct nix_lf_free_req { struct mbox_msghdr hdr; #define NIX_LF_DISABLE_FLOWS BIT_ULL(0) #define NIX_LF_DONT_FREE_TX_VTAG BIT_ULL(1) +#define NIX_LF_DONT_FREE_DFT_IDXS BIT_ULL(2) u64 flags; }; =20 diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c b/drivers/= net/ethernet/marvell/octeontx2/af/rvu_nix.c index f977734ae712..7df256a9e01c 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c @@ -16,6 +16,7 @@ #include "cgx.h" #include "lmac_common.h" #include "rvu_npc_hash.h" +#include "cn20k/npc.h" =20 static void nix_free_tx_vtag_entries(struct rvu *rvu, u16 pcifunc); static int rvu_nix_get_bpid(struct rvu *rvu, struct nix_bp_cfg_req *req, @@ -1499,7 +1500,7 @@ int rvu_mbox_handler_nix_lf_alloc(struct rvu *rvu, struct nix_lf_alloc_req *req, struct nix_lf_alloc_rsp *rsp) { - int nixlf, qints, hwctx_size, intf, err, rc =3D 0; + int nixlf, qints, hwctx_size, intf, rc =3D 0; struct rvu_hwinfo *hw =3D rvu->hw; u16 pcifunc =3D req->hdr.pcifunc; struct rvu_block *block; @@ -1555,8 +1556,8 @@ int rvu_mbox_handler_nix_lf_alloc(struct rvu *rvu, return NIX_AF_ERR_RSS_GRPS_INVALID; =20 /* Reset this NIX LF */ - err =3D rvu_lf_reset(rvu, block, nixlf); - if (err) { + rc =3D rvu_lf_reset(rvu, block, nixlf); + if (rc) { dev_err(rvu->dev, "Failed to reset NIX%d LF%d\n", block->addr - BLKADDR_NIX0, nixlf); return NIX_AF_ERR_LF_RESET; @@ -1566,13 +1567,15 @@ int rvu_mbox_handler_nix_lf_alloc(struct rvu *rvu, =20 /* Alloc NIX RQ HW context memory and config the base */ hwctx_size =3D 1UL << ((ctx_cfg >> 4) & 0xF); - err =3D qmem_alloc(rvu->dev, &pfvf->rq_ctx, req->rq_cnt, hwctx_size); - if (err) + rc =3D qmem_alloc(rvu->dev, &pfvf->rq_ctx, req->rq_cnt, hwctx_size); + if (rc) goto free_mem; =20 pfvf->rq_bmap =3D kcalloc(req->rq_cnt, sizeof(long), GFP_KERNEL); - if (!pfvf->rq_bmap) + if (!pfvf->rq_bmap) { + rc =3D -ENOMEM; goto free_mem; + } =20 rvu_write64(rvu, blkaddr, NIX_AF_LFX_RQS_BASE(nixlf), (u64)pfvf->rq_ctx->iova); @@ -1583,13 +1586,15 @@ int rvu_mbox_handler_nix_lf_alloc(struct rvu *rvu, =20 /* Alloc NIX SQ HW context memory and config the base */ hwctx_size =3D 1UL << (ctx_cfg & 0xF); - err =3D qmem_alloc(rvu->dev, &pfvf->sq_ctx, req->sq_cnt, hwctx_size); - if (err) + rc =3D qmem_alloc(rvu->dev, &pfvf->sq_ctx, req->sq_cnt, hwctx_size); + if (rc) goto free_mem; =20 pfvf->sq_bmap =3D kcalloc(req->sq_cnt, sizeof(long), GFP_KERNEL); - if (!pfvf->sq_bmap) + if (!pfvf->sq_bmap) { + rc =3D -ENOMEM; goto free_mem; + } =20 rvu_write64(rvu, blkaddr, NIX_AF_LFX_SQS_BASE(nixlf), (u64)pfvf->sq_ctx->iova); @@ -1599,13 +1604,15 @@ int rvu_mbox_handler_nix_lf_alloc(struct rvu *rvu, =20 /* Alloc NIX CQ HW context memory and config the base */ hwctx_size =3D 1UL << ((ctx_cfg >> 8) & 0xF); - err =3D qmem_alloc(rvu->dev, &pfvf->cq_ctx, req->cq_cnt, hwctx_size); - if (err) + rc =3D qmem_alloc(rvu->dev, &pfvf->cq_ctx, req->cq_cnt, hwctx_size); + if (rc) goto free_mem; =20 pfvf->cq_bmap =3D kcalloc(req->cq_cnt, sizeof(long), GFP_KERNEL); - if (!pfvf->cq_bmap) + if (!pfvf->cq_bmap) { + rc =3D -ENOMEM; goto free_mem; + } =20 rvu_write64(rvu, blkaddr, NIX_AF_LFX_CQS_BASE(nixlf), (u64)pfvf->cq_ctx->iova); @@ -1615,18 +1622,18 @@ int rvu_mbox_handler_nix_lf_alloc(struct rvu *rvu, =20 /* Initialize receive side scaling (RSS) */ hwctx_size =3D 1UL << ((ctx_cfg >> 12) & 0xF); - err =3D nixlf_rss_ctx_init(rvu, blkaddr, pfvf, nixlf, req->rss_sz, - req->rss_grps, hwctx_size, req->way_mask, - !!(req->flags & NIX_LF_RSS_TAG_LSB_AS_ADDER)); - if (err) + rc =3D nixlf_rss_ctx_init(rvu, blkaddr, pfvf, nixlf, req->rss_sz, + req->rss_grps, hwctx_size, req->way_mask, + !!(req->flags & NIX_LF_RSS_TAG_LSB_AS_ADDER)); + if (rc) goto free_mem; =20 /* Alloc memory for CQINT's HW contexts */ cfg =3D rvu_read64(rvu, blkaddr, NIX_AF_CONST2); qints =3D (cfg >> 24) & 0xFFF; hwctx_size =3D 1UL << ((ctx_cfg >> 24) & 0xF); - err =3D qmem_alloc(rvu->dev, &pfvf->cq_ints_ctx, qints, hwctx_size); - if (err) + rc =3D qmem_alloc(rvu->dev, &pfvf->cq_ints_ctx, qints, hwctx_size); + if (rc) goto free_mem; =20 rvu_write64(rvu, blkaddr, NIX_AF_LFX_CINTS_BASE(nixlf), @@ -1639,8 +1646,8 @@ int rvu_mbox_handler_nix_lf_alloc(struct rvu *rvu, cfg =3D rvu_read64(rvu, blkaddr, NIX_AF_CONST2); qints =3D (cfg >> 12) & 0xFFF; hwctx_size =3D 1UL << ((ctx_cfg >> 20) & 0xF); - err =3D qmem_alloc(rvu->dev, &pfvf->nix_qints_ctx, qints, hwctx_size); - if (err) + rc =3D qmem_alloc(rvu->dev, &pfvf->nix_qints_ctx, qints, hwctx_size); + if (rc) goto free_mem; =20 rvu_write64(rvu, blkaddr, NIX_AF_LFX_QINTS_BASE(nixlf), @@ -1684,10 +1691,16 @@ int rvu_mbox_handler_nix_lf_alloc(struct rvu *rvu, if (is_sdp_pfvf(rvu, pcifunc)) intf =3D NIX_INTF_TYPE_SDP; =20 - err =3D nix_interface_init(rvu, pcifunc, intf, nixlf, rsp, - !!(req->flags & NIX_LF_LBK_BLK_SEL)); - if (err) - goto free_mem; + if (is_cn20k(rvu->pdev)) { + rc =3D npc_cn20k_dft_rules_alloc(rvu, pcifunc); + if (rc) + goto free_mem; + } + + rc =3D nix_interface_init(rvu, pcifunc, intf, nixlf, rsp, + !!(req->flags & NIX_LF_LBK_BLK_SEL)); + if (rc) + goto free_dft; =20 /* Disable NPC entries as NIXLF's contexts are not initialized yet */ rvu_npc_disable_default_entries(rvu, pcifunc, nixlf); @@ -1699,9 +1712,12 @@ int rvu_mbox_handler_nix_lf_alloc(struct rvu *rvu, =20 goto exit; =20 +free_dft: + if (is_cn20k(rvu->pdev)) + npc_cn20k_dft_rules_free(rvu, pcifunc); + free_mem: nix_ctx_free(rvu, pfvf); - rc =3D -ENOMEM; =20 exit: /* Set macaddr of this PF/VF */ @@ -1775,6 +1791,9 @@ int rvu_mbox_handler_nix_lf_free(struct rvu *rvu, str= uct nix_lf_free_req *req, =20 nix_ctx_free(rvu, pfvf); =20 + if (is_cn20k(rvu->pdev) && !(req->flags & NIX_LF_DONT_FREE_DFT_IDXS)) + npc_cn20k_dft_rules_free(rvu, pcifunc); + return 0; } =20 diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c b/drivers/= net/ethernet/marvell/octeontx2/af/rvu_npc.c index 607d0cf1a778..5fa9e1c7ae9f 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c @@ -1285,11 +1285,18 @@ void npc_enadis_default_mce_entry(struct rvu *rvu, = u16 pcifunc, struct nix_mce_list *mce_list; int index, blkaddr, mce_idx; struct rvu_pfvf *pfvf; + u16 ptr[4]; =20 /* multicast pkt replication is not enabled for AF's VFs & SDP links */ if (is_lbk_vf(rvu, pcifunc) || is_sdp_pfvf(rvu, pcifunc)) return; =20 + /* In cn20k, only CGX mapped devices have default MCAST entry */ + if (is_cn20k(rvu->pdev) && + npc_cn20k_dft_rules_idx_get(rvu, pcifunc, &ptr[0], &ptr[1], + &ptr[2], &ptr[3])) + return; + blkaddr =3D rvu_get_blkaddr(rvu, BLKTYPE_NPC, 0); if (blkaddr < 0) return; @@ -1329,9 +1336,12 @@ static void npc_enadis_default_entries(struct rvu *r= vu, u16 pcifunc, struct rvu_pfvf *pfvf =3D rvu_get_pfvf(rvu, pcifunc); struct npc_mcam *mcam =3D &rvu->hw->mcam; int index, blkaddr; + u16 ptr[4]; =20 /* only CGX or LBK interfaces have default entries */ - if (is_cn20k(rvu->pdev) && !npc_is_cgx_or_lbk(rvu, pcifunc)) + if (is_cn20k(rvu->pdev) && + npc_cn20k_dft_rules_idx_get(rvu, pcifunc, &ptr[0], &ptr[1], + &ptr[2], &ptr[3])) return; =20 blkaddr =3D rvu_get_blkaddr(rvu, BLKTYPE_NPC, 0); @@ -4085,12 +4095,10 @@ void rvu_npc_clear_ucast_entry(struct rvu *rvu, int= pcifunc, int nixlf) =20 ucast_idx =3D npc_get_nixlf_mcam_index(mcam, pcifunc, nixlf, NIXLF_UCAST_ENTRY); - if (ucast_idx < 0) { - dev_err(rvu->dev, - "%s: Error to get ucast entry for pcifunc=3D%#x\n", - __func__, pcifunc); + + /* In cn20k, default rules are freed before detach rsrc */ + if (ucast_idx < 0) return; - } =20 npc_enable_mcam_entry(rvu, mcam, blkaddr, ucast_idx, false); =20 diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c b/drivers= /net/ethernet/marvell/octeontx2/nic/otx2_pf.c index ee623476e5ff..81b088f5a016 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c @@ -1053,7 +1053,6 @@ irqreturn_t otx2_pfaf_mbox_intr_handler(int irq, void= *pf_irq) /* Clear the IRQ */ otx2_write64(pf, RVU_PF_INT, BIT_ULL(0)); =20 - mbox_data =3D otx2_read64(pf, RVU_PF_PFAF_MBOX0); =20 if (mbox_data & MBOX_UP_MSG) { @@ -1729,7 +1728,7 @@ int otx2_init_hw_resources(struct otx2_nic *pf) mutex_lock(&mbox->lock); free_req =3D otx2_mbox_alloc_msg_nix_lf_free(mbox); if (free_req) { - free_req->flags =3D NIX_LF_DISABLE_FLOWS; 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(unknown [10.28.36.165]) by maili.marvell.com (Postfix) with ESMTP id 373693F7062; Sun, 31 May 2026 19:59:33 -0700 (PDT) From: Ratheesh Kannoth To: , CC: , , , , , , , , , "Ratheesh Kannoth" Subject: [PATCH v17 net-next 6/8] octeontx2-af: npc: Support for custom KPU profile from filesystem Date: Mon, 1 Jun 2026 08:28:41 +0530 Message-ID: <20260601025844.865865-7-rkannoth@marvell.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260601025844.865865-1-rkannoth@marvell.com> References: <20260601025844.865865-1-rkannoth@marvell.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Proofpoint-GUID: r5IoVZG645BvlxsgccVhRCw6ID-1_cB_ X-Proofpoint-ORIG-GUID: r5IoVZG645BvlxsgccVhRCw6ID-1_cB_ X-Authority-Analysis: v=2.4 cv=ZeYt8MVA c=1 sm=1 tr=0 ts=6a1cf59a cx=c_pps a=rEv8fa4AjpPjGxpoe8rlIQ==:117 a=rEv8fa4AjpPjGxpoe8rlIQ==:17 a=NGcC8JguVDcA:10 a=VkNPw1HP01LnGYTKEx00:22 a=l0iWHRpgs5sLHlkKQ1IR:22 a=TtqV-g6YmW1Jfm2GSLaY:22 a=M5GUcnROAAAA:8 a=RqBH2XuCMo2EIviFO1EA:9 a=OBjm3rFKGHvpk9ecZwUJ:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjAxMDAyOCBTYWx0ZWRfX3izTKSQdm8Dp BZksH7YvVL1uMxbZCFXQYwLfCjodWV7WxPrBNzS5Evj6a4/eeu0k3BZ9/5ftPfZ4RLRSMe767j8 wT17g/XyOrdQ25lm/INsawbrd6iOxr22R1Nktjpn9h+9Lq+Tt7Plcv6PKhkf6SFp4sj1td4LW7T QQXmtuUr/S1m2YRC/d5UPWHaOAS+gIv45NunPAa7AXfARQNeAiwH0blTnALgn+hfE4d0gaLMC82 5qn2P7WqEHdKTcnZ9KHcHv4tF4xrvmqvSIGhsWh5n/JGnDr+ddBVd9foNxKnWTstPbRh5pDyRiV y/3T9SuXAvngpGfhhOxnN5ZADGOfn3sM036aiyeo9g10cIvjoRa9KaUBtqO2bV/b+8Vh/DY43je D3U3JAKoz9NB+GCnAnoe+9IwthnpQYge1fepy8eP59rRU2WN6kWGjBTWWM6I2qC0jTZHsQBXSyO 0wVqQnAPUIdjjq7uAPg== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-01_01,2026-05-28_03,2025-10-01_01 Content-Type: text/plain; charset="utf-8" Flashing updated firmware on deployed devices is cumbersome. Provide a mechanism to load a custom KPU (Key Parse Unit) profile directly from the filesystem at module load time. When the rvu_af module is loaded with the kpu_profile parameter, the specified profile is read from /lib/firmware/kpu and programmed into the KPU registers. Add npc_kpu_profile_cam2 for the extended cam format used by filesystem-loaded profiles and support ptype/ptype_mask in npc_config_kpucam when profile->from_fs is set. Usage: 1. Copy the KPU profile file to /lib/firmware/kpu. 2. Build OCTEONTX2_AF as a module. 3. Load: insmod rvu_af.ko kpu_profile=3D Signed-off-by: Ratheesh Kannoth --- .../ethernet/marvell/octeontx2/af/cn20k/npc.c | 57 ++- .../net/ethernet/marvell/octeontx2/af/npc.h | 17 + .../net/ethernet/marvell/octeontx2/af/rvu.h | 12 +- .../ethernet/marvell/octeontx2/af/rvu_npc.c | 466 ++++++++++++++---- .../ethernet/marvell/octeontx2/af/rvu_npc.h | 17 + .../ethernet/marvell/octeontx2/af/rvu_reg.h | 1 + 6 files changed, 459 insertions(+), 111 deletions(-) diff --git a/drivers/net/ethernet/marvell/octeontx2/af/cn20k/npc.c b/driver= s/net/ethernet/marvell/octeontx2/af/cn20k/npc.c index 0e1744609ccf..513e68711962 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/cn20k/npc.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/cn20k/npc.c @@ -521,13 +521,17 @@ npc_program_single_kpm_profile(struct rvu *rvu, int b= lkaddr, int kpm, int start_entry, const struct npc_kpu_profile *profile) { + int num_cam_entries, num_action_entries; int entry, num_entries, max_entries; u64 idx; =20 - if (profile->cam_entries !=3D profile->action_entries) { + num_cam_entries =3D npc_get_num_kpu_cam_entries(rvu, profile); + num_action_entries =3D npc_get_num_kpu_action_entries(rvu, profile); + + if (num_cam_entries !=3D num_action_entries) { dev_err(rvu->dev, "kpm%d: CAM and action entries [%d !=3D %d] not equal\n", - kpm, profile->cam_entries, profile->action_entries); + kpm, num_cam_entries, num_action_entries); =20 WARN(1, "Fatal error\n"); return; @@ -536,16 +540,18 @@ npc_program_single_kpm_profile(struct rvu *rvu, int b= lkaddr, max_entries =3D rvu->hw->npc_kpu_entries / 2; entry =3D start_entry; /* Program CAM match entries for previous kpm extracted data */ - num_entries =3D min_t(int, profile->cam_entries, max_entries); + num_entries =3D min_t(int, num_cam_entries, max_entries); for (idx =3D 0; entry < num_entries + start_entry; entry++, idx++) - npc_config_kpmcam(rvu, blkaddr, &profile->cam[idx], + npc_config_kpmcam(rvu, blkaddr, + npc_get_kpu_cam_nth_entry(rvu, profile, idx), kpm, entry); =20 entry =3D start_entry; /* Program this kpm's actions */ - num_entries =3D min_t(int, profile->action_entries, max_entries); + num_entries =3D min_t(int, num_action_entries, max_entries); for (idx =3D 0; entry < num_entries + start_entry; entry++, idx++) - npc_config_kpmaction(rvu, blkaddr, &profile->action[idx], + npc_config_kpmaction(rvu, blkaddr, + npc_get_kpu_action_nth_entry(rvu, profile, idx), kpm, entry, false); } =20 @@ -611,20 +617,23 @@ npc_enable_kpm_entry(struct rvu *rvu, int blkaddr, in= t kpm, int num_entries) static void npc_program_kpm_profile(struct rvu *rvu, int blkaddr, int num_= kpms) { const struct npc_kpu_profile *profile1, *profile2; + int pfl1_num_cam_entries, pfl2_num_cam_entries; int idx, total_cam_entries; =20 for (idx =3D 0; idx < num_kpms; idx++) { profile1 =3D &rvu->kpu.kpu[idx]; + pfl1_num_cam_entries =3D npc_get_num_kpu_cam_entries(rvu, profile1); npc_program_single_kpm_profile(rvu, blkaddr, idx, 0, profile1); profile2 =3D &rvu->kpu.kpu[idx + KPU_OFFSET]; + pfl2_num_cam_entries =3D npc_get_num_kpu_cam_entries(rvu, profile2); + npc_program_single_kpm_profile(rvu, blkaddr, idx, - profile1->cam_entries, + pfl1_num_cam_entries, profile2); - total_cam_entries =3D profile1->cam_entries + - profile2->cam_entries; + total_cam_entries =3D pfl1_num_cam_entries + pfl2_num_cam_entries; npc_enable_kpm_entry(rvu, blkaddr, idx, total_cam_entries); rvu_write64(rvu, blkaddr, NPC_AF_KPMX_PASS2_OFFSET(idx), - profile1->cam_entries); + pfl1_num_cam_entries); /* Enable the KPUs associated with this KPM */ rvu_write64(rvu, blkaddr, NPC_AF_KPUX_CFG(idx), 0x01); rvu_write64(rvu, blkaddr, NPC_AF_KPUX_CFG(idx + KPU_OFFSET), @@ -634,6 +643,7 @@ static void npc_program_kpm_profile(struct rvu *rvu, in= t blkaddr, int num_kpms) =20 void npc_cn20k_parser_profile_init(struct rvu *rvu, int blkaddr) { + struct npc_kpu_profile_action *act; struct rvu_hwinfo *hw =3D rvu->hw; int num_pkinds, idx; =20 @@ -665,9 +675,15 @@ void npc_cn20k_parser_profile_init(struct rvu *rvu, in= t blkaddr) num_pkinds =3D rvu->kpu.pkinds; num_pkinds =3D min_t(int, hw->npc_pkinds, num_pkinds); =20 - for (idx =3D 0; idx < num_pkinds; idx++) - npc_config_kpmaction(rvu, blkaddr, &rvu->kpu.ikpu[idx], + /* Cn20k does not support Custom profile from filesystem */ + for (idx =3D 0; idx < num_pkinds; idx++) { + act =3D npc_get_ikpu_nth_entry(rvu, idx); + if (!act) + continue; + + npc_config_kpmaction(rvu, blkaddr, act, 0, idx, true); + } =20 /* Program KPM CAM and Action profiles */ npc_program_kpm_profile(rvu, blkaddr, hw->npc_kpms); @@ -679,7 +695,7 @@ struct npc_priv_t *npc_priv_get(void) } =20 static void npc_program_mkex_rx(struct rvu *rvu, int blkaddr, - struct npc_mcam_kex_extr *mkex_extr, + const struct npc_mcam_kex_extr *mkex_extr, u8 intf) { u8 num_extr =3D rvu->hw->npc_kex_extr; @@ -708,7 +724,7 @@ static void npc_program_mkex_rx(struct rvu *rvu, int bl= kaddr, } =20 static void npc_program_mkex_tx(struct rvu *rvu, int blkaddr, - struct npc_mcam_kex_extr *mkex_extr, + const struct npc_mcam_kex_extr *mkex_extr, u8 intf) { u8 num_extr =3D rvu->hw->npc_kex_extr; @@ -737,7 +753,7 @@ static void npc_program_mkex_tx(struct rvu *rvu, int bl= kaddr, } =20 static void npc_program_mkex_profile(struct rvu *rvu, int blkaddr, - struct npc_mcam_kex_extr *mkex_extr) + const struct npc_mcam_kex_extr *mkex_extr) { struct rvu_hwinfo *hw =3D rvu->hw; u8 intf; @@ -1630,8 +1646,8 @@ npc_cn20k_update_action_entries_n_flags(struct rvu *r= vu, int npc_cn20k_apply_custom_kpu(struct rvu *rvu, struct npc_kpu_profile_adapter *profile) { + const struct npc_cn20k_kpu_profile_fwdata *fw =3D rvu->kpu_fwdata; size_t hdr_sz =3D sizeof(struct npc_cn20k_kpu_profile_fwdata); - struct npc_cn20k_kpu_profile_fwdata *fw =3D rvu->kpu_fwdata; struct npc_kpu_profile_action *action; struct npc_kpu_profile_cam *cam; struct npc_kpu_fwdata *fw_kpu; @@ -1676,8 +1692,15 @@ int npc_cn20k_apply_custom_kpu(struct rvu *rvu, } =20 /* Verify if profile fits the HW */ + if (fw->kpus > rvu->hw->npc_kpus) { + dev_warn(rvu->dev, "Not enough KPUs: %d > %d\n", fw->kpus, + rvu->hw->npc_kpus); + return -EINVAL; + } + + /* Check if there is enough memory */ if (fw->kpus > profile->kpus) { - dev_warn(rvu->dev, "Not enough KPUs: %d > %ld\n", fw->kpus, + dev_warn(rvu->dev, "Not enough KPUs: %d > %zu\n", fw->kpus, profile->kpus); return -EINVAL; } diff --git a/drivers/net/ethernet/marvell/octeontx2/af/npc.h b/drivers/net/= ethernet/marvell/octeontx2/af/npc.h index cefc5d70f3e4..c8c0cb68535c 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/npc.h +++ b/drivers/net/ethernet/marvell/octeontx2/af/npc.h @@ -265,6 +265,19 @@ struct npc_kpu_profile_cam { u16 dp2_mask; } __packed; =20 +struct npc_kpu_profile_cam2 { + u8 state; + u8 state_mask; + u16 dp0; + u16 dp0_mask; + u16 dp1; + u16 dp1_mask; + u16 dp2; + u16 dp2_mask; + u8 ptype; + u8 ptype_mask; +} __packed; + struct npc_kpu_profile_action { u8 errlev; u8 errcode; @@ -290,6 +303,10 @@ struct npc_kpu_profile { int action_entries; struct npc_kpu_profile_cam *cam; struct npc_kpu_profile_action *action; + int cam_entries2; + int action_entries2; + struct npc_kpu_profile_action *action2; + struct npc_kpu_profile_cam2 *cam2; }; =20 /* NPC KPU register formats */ diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h b/drivers/net/= ethernet/marvell/octeontx2/af/rvu.h index de3fbd3d15d6..be85913a3591 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.h @@ -553,17 +553,19 @@ struct npc_kpu_profile_adapter { const char *name; u64 version; const struct npc_lt_def_cfg *lt_def; - const struct npc_kpu_profile_action *ikpu; /* array[pkinds] */ - const struct npc_kpu_profile *kpu; /* array[kpus] */ + struct npc_kpu_profile_action *ikpu; /* array[pkinds] */ + struct npc_kpu_profile_action *ikpu2; /* array[pkinds] */ + struct npc_kpu_profile *kpu; /* array[kpus] */ union npc_mcam_key_prfl { - struct npc_mcam_kex *mkex; + const struct npc_mcam_kex *mkex; /* used for cn9k and cn10k */ - struct npc_mcam_kex_extr *mkex_extr; /* used for cn20k */ + const struct npc_mcam_kex_extr *mkex_extr; /* used for cn20k */ } mcam_kex_prfl; struct npc_mcam_kex_hash *mkex_hash; bool custom; size_t pkinds; size_t kpus; + bool from_fs; }; =20 #define RVU_SWITCH_LBK_CHAN 63 @@ -634,7 +636,7 @@ struct rvu { =20 /* Firmware data */ struct rvu_fwdata *fwdata; - void *kpu_fwdata; + const void *kpu_fwdata; size_t kpu_fwdata_sz; void __iomem *kpu_prfl_addr; =20 diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c b/drivers/= net/ethernet/marvell/octeontx2/af/rvu_npc.c index 5fa9e1c7ae9f..8a90b44872b6 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c @@ -1495,7 +1495,8 @@ void rvu_npc_free_mcam_entries(struct rvu *rvu, u16 p= cifunc, int nixlf) } =20 static void npc_program_mkex_rx(struct rvu *rvu, int blkaddr, - struct npc_mcam_kex *mkex, u8 intf) + const struct npc_mcam_kex *mkex, + u8 intf) { int lid, lt, ld, fl; =20 @@ -1524,7 +1525,8 @@ static void npc_program_mkex_rx(struct rvu *rvu, int = blkaddr, } =20 static void npc_program_mkex_tx(struct rvu *rvu, int blkaddr, - struct npc_mcam_kex *mkex, u8 intf) + const struct npc_mcam_kex *mkex, + u8 intf) { int lid, lt, ld, fl; =20 @@ -1553,7 +1555,7 @@ static void npc_program_mkex_tx(struct rvu *rvu, int = blkaddr, } =20 static void npc_program_mkex_profile(struct rvu *rvu, int blkaddr, - struct npc_mcam_kex *mkex) + const struct npc_mcam_kex *mkex) { struct rvu_hwinfo *hw =3D rvu->hw; u8 intf; @@ -1693,8 +1695,12 @@ static void npc_config_kpucam(struct rvu *rvu, int b= lkaddr, const struct npc_kpu_profile_cam *kpucam, int kpu, int entry) { + const struct npc_kpu_profile_cam2 *kpucam2 =3D (void *)kpucam; + struct npc_kpu_profile_adapter *profile =3D &rvu->kpu; struct npc_kpu_cam cam0 =3D {0}; struct npc_kpu_cam cam1 =3D {0}; + u64 *val =3D (u64 *)&cam1; + u64 *mask =3D (u64 *)&cam0; =20 cam1.state =3D kpucam->state & kpucam->state_mask; cam1.dp0_data =3D kpucam->dp0 & kpucam->dp0_mask; @@ -1706,6 +1712,14 @@ static void npc_config_kpucam(struct rvu *rvu, int b= lkaddr, cam0.dp1_data =3D ~kpucam->dp1 & kpucam->dp1_mask; cam0.dp2_data =3D ~kpucam->dp2 & kpucam->dp2_mask; =20 + if (profile->from_fs) { + u8 ptype =3D kpucam2->ptype; + u8 pmask =3D kpucam2->ptype_mask; + + *val |=3D FIELD_PREP(GENMASK_ULL(57, 56), ptype & pmask); + *mask |=3D FIELD_PREP(GENMASK_ULL(57, 56), ~ptype & pmask); + } + rvu_write64(rvu, blkaddr, NPC_AF_KPUX_ENTRYX_CAMX(kpu, entry, 0), *(u64 *)&cam0); rvu_write64(rvu, blkaddr, @@ -1717,34 +1731,104 @@ u64 npc_enable_mask(int count) return (((count) < 64) ? ~(BIT_ULL(count) - 1) : (0x00ULL)); } =20 +struct npc_kpu_profile_action * +npc_get_ikpu_nth_entry(struct rvu *rvu, int n) +{ + struct npc_kpu_profile_adapter *profile =3D &rvu->kpu; + + if (profile->from_fs) + return &profile->ikpu2[n]; + + return &profile->ikpu[n]; +} + +int +npc_get_num_kpu_cam_entries(struct rvu *rvu, + const struct npc_kpu_profile *kpu_pfl) +{ + struct npc_kpu_profile_adapter *profile =3D &rvu->kpu; + + if (profile->from_fs) + return kpu_pfl->cam_entries2; + + return kpu_pfl->cam_entries; +} + +struct npc_kpu_profile_cam * +npc_get_kpu_cam_nth_entry(struct rvu *rvu, + const struct npc_kpu_profile *kpu_pfl, int n) +{ + struct npc_kpu_profile_adapter *profile =3D &rvu->kpu; + + if (profile->from_fs) + return (void *)&kpu_pfl->cam2[n]; + + return (void *)&kpu_pfl->cam[n]; +} + +int +npc_get_num_kpu_action_entries(struct rvu *rvu, + const struct npc_kpu_profile *kpu_pfl) +{ + struct npc_kpu_profile_adapter *profile =3D &rvu->kpu; + + if (profile->from_fs) + return kpu_pfl->action_entries2; + + return kpu_pfl->action_entries; +} + +struct npc_kpu_profile_action * +npc_get_kpu_action_nth_entry(struct rvu *rvu, + const struct npc_kpu_profile *kpu_pfl, + int n) +{ + struct npc_kpu_profile_adapter *profile =3D &rvu->kpu; + + if (profile->from_fs) + return (void *)&kpu_pfl->action2[n]; + + return (void *)&kpu_pfl->action[n]; +} + static void npc_program_kpu_profile(struct rvu *rvu, int blkaddr, int kpu, const struct npc_kpu_profile *profile) { + int num_cam_entries, num_action_entries; int entry, num_entries, max_entries; u64 entry_mask; =20 - if (profile->cam_entries !=3D profile->action_entries) { + num_cam_entries =3D npc_get_num_kpu_cam_entries(rvu, profile); + num_action_entries =3D npc_get_num_kpu_action_entries(rvu, profile); + + if (num_cam_entries !=3D num_action_entries) { dev_err(rvu->dev, "KPU%d: CAM and action entries [%d !=3D %d] not equal\n", - kpu, profile->cam_entries, profile->action_entries); + kpu, num_cam_entries, num_action_entries); } =20 max_entries =3D rvu->hw->npc_kpu_entries; =20 + WARN(num_cam_entries > max_entries, + "KPU%u: err: hw max entries=3D%u, input entries=3D%u\n", + kpu, rvu->hw->npc_kpu_entries, num_cam_entries); + /* Program CAM match entries for previous KPU extracted data */ - num_entries =3D min_t(int, profile->cam_entries, max_entries); + num_entries =3D min_t(int, num_cam_entries, max_entries); for (entry =3D 0; entry < num_entries; entry++) npc_config_kpucam(rvu, blkaddr, - &profile->cam[entry], kpu, entry); + (void *)npc_get_kpu_cam_nth_entry(rvu, profile, entry), + kpu, entry); =20 /* Program this KPU's actions */ - num_entries =3D min_t(int, profile->action_entries, max_entries); + num_entries =3D min_t(int, num_action_entries, max_entries); for (entry =3D 0; entry < num_entries; entry++) - npc_config_kpuaction(rvu, blkaddr, &profile->action[entry], + npc_config_kpuaction(rvu, blkaddr, + (void *)npc_get_kpu_action_nth_entry(rvu, profile, entry), kpu, entry, false); =20 /* Enable all programmed entries */ - num_entries =3D min_t(int, profile->action_entries, profile->cam_entries); + num_entries =3D min_t(int, num_action_entries, num_cam_entries); entry_mask =3D npc_enable_mask(num_entries); /* Disable first KPU_MAX_CST_ENT entries for built-in profile */ if (!rvu->kpu.custom) @@ -1788,26 +1872,175 @@ static void npc_prepare_default_kpu(struct rvu *rv= u, npc_cn20k_update_action_entries_n_flags(rvu, profile); } =20 -static int npc_apply_custom_kpu(struct rvu *rvu, - struct npc_kpu_profile_adapter *profile) +static int npc_alloc_kpu_cam2_n_action2(struct rvu *rvu, int kpu_num, + int num_entries) +{ + struct npc_kpu_profile_adapter *adapter =3D &rvu->kpu; + struct npc_kpu_profile *kpu; + + kpu =3D &adapter->kpu[kpu_num]; + + kpu->cam2 =3D devm_kcalloc(rvu->dev, num_entries, + sizeof(*kpu->cam2), GFP_KERNEL); + if (!kpu->cam2) + return -ENOMEM; + + kpu->action2 =3D devm_kcalloc(rvu->dev, num_entries, + sizeof(*kpu->action2), GFP_KERNEL); + if (!kpu->action2) + return -ENOMEM; + + return 0; +} + +static int npc_apply_custom_kpu_from_fw(struct rvu *rvu, + struct npc_kpu_profile_adapter *profile) { size_t hdr_sz =3D sizeof(struct npc_kpu_profile_fwdata), offset =3D 0; + const struct npc_kpu_profile_fwdata *fw; struct npc_kpu_profile_action *action; - struct npc_kpu_profile_fwdata *fw; struct npc_kpu_profile_cam *cam; struct npc_kpu_fwdata *fw_kpu; - int entries; - u16 kpu, entry; + int entries, entry, kpu; =20 - if (is_cn20k(rvu->pdev)) - return npc_cn20k_apply_custom_kpu(rvu, profile); + fw =3D rvu->kpu_fwdata; + + for (kpu =3D 0; kpu < fw->kpus; kpu++) { + if (rvu->kpu_fwdata_sz < hdr_sz + offset) { + dev_warn(rvu->dev, + "Profile size mismatch on KPU%i parsing\n", + kpu + 1); + return -EINVAL; + } + + fw_kpu =3D (struct npc_kpu_fwdata *)(fw->data + offset); + if (fw_kpu->entries < 0) { + dev_warn(rvu->dev, + "Profile entries is negative on KPU%i parsing\n", + kpu + 1); + return -EINVAL; + } + + if (fw_kpu->entries > KPU_MAX_CST_ENT) + dev_warn(rvu->dev, + "Too many custom entries on KPU%d: %d > %d\n", + kpu, fw_kpu->entries, KPU_MAX_CST_ENT); + entries =3D min_t(int, fw_kpu->entries, KPU_MAX_CST_ENT); + cam =3D (struct npc_kpu_profile_cam *)fw_kpu->data; + offset +=3D sizeof(*fw_kpu) + fw_kpu->entries * sizeof(*cam); + action =3D (struct npc_kpu_profile_action *)(fw->data + offset); + offset +=3D fw_kpu->entries * sizeof(*action); + if (rvu->kpu_fwdata_sz < hdr_sz + offset) { + dev_warn(rvu->dev, + "Profile size mismatch on KPU%i parsing.\n", + kpu + 1); + return -EINVAL; + } + for (entry =3D 0; entry < entries; entry++) { + profile->kpu[kpu].cam[entry] =3D cam[entry]; + profile->kpu[kpu].action[entry] =3D action[entry]; + } + } + + return 0; +} + +static int npc_apply_custom_kpu_from_fs(struct rvu *rvu, + struct npc_kpu_profile_adapter *profile) +{ + size_t hdr_sz =3D sizeof(struct npc_kpu_profile_fwdata), offset =3D 0; + const struct npc_kpu_profile_fwdata *fw; + struct npc_kpu_profile_action *action; + struct npc_kpu_profile_cam2 *cam2; + struct npc_kpu_fwdata *fw_kpu; + int entries, ret, entry, kpu; =20 fw =3D rvu->kpu_fwdata; =20 + /* Binary blob contains ikpu actions entries at start of data[0] */ + profile->ikpu2 =3D devm_kcalloc(rvu->dev, 1, + sizeof(ikpu_action_entries), + GFP_KERNEL); + if (!profile->ikpu2) + return -ENOMEM; + + action =3D (struct npc_kpu_profile_action *)(fw->data + offset); + + if (rvu->kpu_fwdata_sz < hdr_sz + sizeof(ikpu_action_entries)) + return -EINVAL; + + /* The firmware layout does dependent on the internal size of + * ikpu_action_entries. + */ + memcpy((void *)profile->ikpu2, action, sizeof(ikpu_action_entries)); + offset +=3D sizeof(ikpu_action_entries); + + for (kpu =3D 0; kpu < fw->kpus; kpu++) { + if (rvu->kpu_fwdata_sz < hdr_sz + offset + sizeof(*fw_kpu)) { + dev_warn(rvu->dev, + "profile size mismatch on kpu%i parsing\n", + kpu + 1); + return -EINVAL; + } + + fw_kpu =3D (struct npc_kpu_fwdata *)(fw->data + offset); + if (fw_kpu->entries <=3D 0) { + dev_warn(rvu->dev, + "Invalid kpu entries on KPU%d\n", kpu); + return -EINVAL; + } + + entries =3D min_t(int, fw_kpu->entries, rvu->hw->npc_kpu_entries); + dev_info(rvu->dev, + "Loading %u entries on KPU%d\n", entries, kpu); + + cam2 =3D (struct npc_kpu_profile_cam2 *)fw_kpu->data; + offset +=3D sizeof(*fw_kpu) + fw_kpu->entries * sizeof(*cam2); + action =3D (struct npc_kpu_profile_action *)(fw->data + offset); + offset +=3D fw_kpu->entries * sizeof(*action); + if (rvu->kpu_fwdata_sz < hdr_sz + offset) { + dev_warn(rvu->dev, + "profile size mismatch on kpu%i parsing.\n", + kpu + 1); + return -EINVAL; + } + + profile->kpu[kpu].cam_entries2 =3D entries; + profile->kpu[kpu].action_entries2 =3D entries; + ret =3D npc_alloc_kpu_cam2_n_action2(rvu, kpu, entries); + if (ret) { + dev_warn(rvu->dev, + "profile entry allocation failed for kpu=3D%d for %d entries\n", + kpu, entries); + return -EINVAL; + } + + for (entry =3D 0; entry < entries; entry++) { + profile->kpu[kpu].cam2[entry] =3D cam2[entry]; + profile->kpu[kpu].action2[entry] =3D action[entry]; + } + } + + return 0; +} + +static int npc_apply_custom_kpu(struct rvu *rvu, + struct npc_kpu_profile_adapter *profile, + bool from_fs, int *fw_kpus) +{ + size_t hdr_sz =3D sizeof(struct npc_kpu_profile_fwdata); + const struct npc_kpu_profile_fwdata *fw; + struct npc_kpu_profile_fwdata *sfw; + + if (is_cn20k(rvu->pdev)) + return npc_cn20k_apply_custom_kpu(rvu, profile); + if (rvu->kpu_fwdata_sz < hdr_sz) { dev_warn(rvu->dev, "Invalid KPU profile size\n"); return -EINVAL; } + + fw =3D rvu->kpu_fwdata; if (le64_to_cpu(fw->signature) !=3D KPU_SIGN) { dev_warn(rvu->dev, "Invalid KPU profile signature %llx\n", fw->signature); @@ -1835,42 +2068,38 @@ static int npc_apply_custom_kpu(struct rvu *rvu, return -EINVAL; } /* Verify if profile fits the HW */ + if (fw->kpus > rvu->hw->npc_kpus) { + dev_warn(rvu->dev, "Not enough KPUs: %d > %d\n", fw->kpus, + rvu->hw->npc_kpus); + return -EINVAL; + } + + /* Check if there is enough memory for fw loading. + * Check if there is enough entries for profile->kpu[] to + * set cam_entries2 and action_entries2 + */ if (fw->kpus > profile->kpus) { - dev_warn(rvu->dev, "Not enough KPUs: %d > %ld\n", fw->kpus, + dev_warn(rvu->dev, "Not enough KPUs: %d > %zu\n", fw->kpus, profile->kpus); return -EINVAL; } =20 + *fw_kpus =3D fw->kpus; + + sfw =3D devm_kcalloc(rvu->dev, 1, sizeof(*sfw), GFP_KERNEL); + if (!sfw) + return -ENOMEM; + + memcpy(sfw, fw, sizeof(*sfw)); + profile->custom =3D 1; - profile->name =3D fw->name; + profile->name =3D sfw->name; profile->version =3D le64_to_cpu(fw->version); - profile->mcam_kex_prfl.mkex =3D &fw->mkex; - profile->lt_def =3D &fw->lt_def; - - for (kpu =3D 0; kpu < fw->kpus; kpu++) { - fw_kpu =3D (struct npc_kpu_fwdata *)(fw->data + offset); - if (fw_kpu->entries > KPU_MAX_CST_ENT) - dev_warn(rvu->dev, - "Too many custom entries on KPU%d: %d > %d\n", - kpu, fw_kpu->entries, KPU_MAX_CST_ENT); - entries =3D min(fw_kpu->entries, KPU_MAX_CST_ENT); - cam =3D (struct npc_kpu_profile_cam *)fw_kpu->data; - offset +=3D sizeof(*fw_kpu) + fw_kpu->entries * sizeof(*cam); - action =3D (struct npc_kpu_profile_action *)(fw->data + offset); - offset +=3D fw_kpu->entries * sizeof(*action); - if (rvu->kpu_fwdata_sz < hdr_sz + offset) { - dev_warn(rvu->dev, - "Profile size mismatch on KPU%i parsing.\n", - kpu + 1); - return -EINVAL; - } - for (entry =3D 0; entry < entries; entry++) { - profile->kpu[kpu].cam[entry] =3D cam[entry]; - profile->kpu[kpu].action[entry] =3D action[entry]; - } - } + profile->mcam_kex_prfl.mkex =3D &sfw->mkex; + profile->lt_def =3D &sfw->lt_def; =20 - return 0; + return from_fs ? npc_apply_custom_kpu_from_fs(rvu, profile) : + npc_apply_custom_kpu_from_fw(rvu, profile); } =20 static int npc_load_kpu_prfl_img(struct rvu *rvu, void __iomem *prfl_addr, @@ -1958,45 +2187,19 @@ static int npc_load_kpu_profile_fwdb(struct rvu *rv= u, const char *kpu_profile) return ret; } =20 -void npc_load_kpu_profile(struct rvu *rvu) +static int npc_load_kpu_profile_from_fw(struct rvu *rvu) { struct npc_kpu_profile_adapter *profile =3D &rvu->kpu; const char *kpu_profile =3D rvu->kpu_pfl_name; - const struct firmware *fw =3D NULL; - bool retry_fwdb =3D false; - - /* If user not specified profile customization */ - if (!strncmp(kpu_profile, def_pfl_name, KPU_NAME_LEN)) - goto revert_to_default; - /* First prepare default KPU, then we'll customize top entries. */ - npc_prepare_default_kpu(rvu, profile); - - /* Order of preceedence for load loading NPC profile (high to low) - * Firmware binary in filesystem. - * Firmware database method. - * Default KPU profile. - */ - if (!request_firmware_direct(&fw, kpu_profile, rvu->dev)) { - dev_info(rvu->dev, "Loading KPU profile from firmware: %s\n", - kpu_profile); - rvu->kpu_fwdata =3D kzalloc(fw->size, GFP_KERNEL); - if (rvu->kpu_fwdata) { - memcpy(rvu->kpu_fwdata, fw->data, fw->size); - rvu->kpu_fwdata_sz =3D fw->size; - } - release_firmware(fw); - retry_fwdb =3D true; - goto program_kpu; - } + int fw_kpus =3D 0; =20 -load_image_fwdb: /* Loading the KPU profile using firmware database */ if (npc_load_kpu_profile_fwdb(rvu, kpu_profile)) - goto revert_to_default; + return -EFAULT; =20 -program_kpu: /* Apply profile customization if firmware was loaded. */ - if (!rvu->kpu_fwdata_sz || npc_apply_custom_kpu(rvu, profile)) { + if (!rvu->kpu_fwdata_sz || + npc_apply_custom_kpu(rvu, profile, false, &fw_kpus)) { /* If image from firmware filesystem fails to load or invalid * retry with firmware database method. */ @@ -2010,10 +2213,6 @@ void npc_load_kpu_profile(struct rvu *rvu) } rvu->kpu_fwdata =3D NULL; rvu->kpu_fwdata_sz =3D 0; - if (retry_fwdb) { - retry_fwdb =3D false; - goto load_image_fwdb; - } } =20 dev_warn(rvu->dev, @@ -2021,22 +2220,101 @@ void npc_load_kpu_profile(struct rvu *rvu) kpu_profile); kfree(rvu->kpu_fwdata); rvu->kpu_fwdata =3D NULL; - goto revert_to_default; + return -EFAULT; } =20 - dev_info(rvu->dev, "Using custom profile '%s', version %d.%d.%d\n", + dev_info(rvu->dev, "Using custom profile '%.32s', version %d.%d.%d\n", profile->name, NPC_KPU_VER_MAJ(profile->version), NPC_KPU_VER_MIN(profile->version), NPC_KPU_VER_PATCH(profile->version)); =20 - return; + return 0; +} + +static int npc_load_kpu_profile_from_fs(struct rvu *rvu) +{ + struct npc_kpu_profile_adapter *profile =3D &rvu->kpu; + const char *kpu_profile =3D rvu->kpu_pfl_name; + const struct firmware *fw =3D NULL; + int ret, fw_kpus =3D 0; + char path[512] =3D "kpu/"; + + if (strlen(kpu_profile) > sizeof(path) - strlen("kpu/") - 1) { + dev_err(rvu->dev, "kpu profile name is too big\n"); + return -ENOSPC; + } + + strcat(path, kpu_profile); + + if (request_firmware_direct(&fw, path, rvu->dev)) + return -ENOENT; + + dev_info(rvu->dev, "Loading KPU profile from filesystem: %s\n", + path); + + rvu->kpu_fwdata =3D fw->data; + rvu->kpu_fwdata_sz =3D fw->size; + + ret =3D npc_apply_custom_kpu(rvu, profile, true, &fw_kpus); + release_firmware(fw); + rvu->kpu_fwdata =3D NULL; + + if (ret) { + rvu->kpu_fwdata_sz =3D 0; + dev_err(rvu->dev, + "Loading KPU profile from filesystem failed\n"); + return ret; + } + + /* In firmware loading from filesystem method, all entries are from + * same binary blob. + */ + rvu->kpu.kpus =3D fw_kpus; + profile->kpus =3D fw_kpus; + profile->from_fs =3D true; + return 0; +} + +void npc_load_kpu_profile(struct rvu *rvu) +{ + struct npc_kpu_profile_adapter *profile =3D &rvu->kpu; + const char *kpu_profile =3D rvu->kpu_pfl_name; + + profile->from_fs =3D false; + + npc_prepare_default_kpu(rvu, profile); + + /* If user not specified profile customization */ + if (!strncmp(kpu_profile, def_pfl_name, KPU_NAME_LEN)) + return; + + /* Order of preceedence for load loading NPC profile (high to low) + * Firmware binary in filesystem. + * Firmware database method. + * Default KPU profile. + */ + + /* Filesystem-based KPU loading is not supported on cn20k. + * npc_prepare_default_kpu() was invoked earlier, but control + * reached this point because the default profile was not selected. + * No need to call it again. + */ + if (!is_cn20k(rvu->pdev)) { + if (!npc_load_kpu_profile_from_fs(rvu)) + return; + } + + /* First prepare default KPU, then we'll customize top entries. */ + npc_prepare_default_kpu(rvu, profile); + if (!npc_load_kpu_profile_from_fw(rvu)) + return; =20 -revert_to_default: npc_prepare_default_kpu(rvu, profile); } =20 static void npc_parser_profile_init(struct rvu *rvu, int blkaddr) { + struct npc_kpu_profile_adapter *profile =3D &rvu->kpu; struct rvu_hwinfo *hw =3D rvu->hw; int num_pkinds, num_kpus, idx; =20 @@ -2060,7 +2338,9 @@ static void npc_parser_profile_init(struct rvu *rvu, = int blkaddr) num_pkinds =3D min_t(int, hw->npc_pkinds, num_pkinds); =20 for (idx =3D 0; idx < num_pkinds; idx++) - npc_config_kpuaction(rvu, blkaddr, &rvu->kpu.ikpu[idx], 0, idx, true); + npc_config_kpuaction(rvu, blkaddr, + npc_get_ikpu_nth_entry(rvu, idx), + 0, idx, true); =20 /* Program KPU CAM and Action profiles */ num_kpus =3D rvu->kpu.kpus; @@ -2068,6 +2348,11 @@ static void npc_parser_profile_init(struct rvu *rvu,= int blkaddr) =20 for (idx =3D 0; idx < num_kpus; idx++) npc_program_kpu_profile(rvu, blkaddr, idx, &rvu->kpu.kpu[idx]); + + if (profile->from_fs) { + rvu_write64(rvu, blkaddr, NPC_AF_PKINDX_TYPE(54), 0x03); + rvu_write64(rvu, blkaddr, NPC_AF_PKINDX_TYPE(58), 0x03); + } } =20 void npc_mcam_rsrcs_deinit(struct rvu *rvu) @@ -2297,18 +2582,21 @@ static void rvu_npc_hw_init(struct rvu *rvu, int bl= kaddr) =20 static void rvu_npc_setup_interfaces(struct rvu *rvu, int blkaddr) { - struct npc_mcam_kex_extr *mkex_extr =3D rvu->kpu.mcam_kex_prfl.mkex_extr; - struct npc_mcam_kex *mkex =3D rvu->kpu.mcam_kex_prfl.mkex; + const struct npc_mcam_kex_extr *mkex_extr; struct npc_mcam *mcam =3D &rvu->hw->mcam; struct rvu_hwinfo *hw =3D rvu->hw; + const struct npc_mcam_kex *mkex; u64 nibble_ena, rx_kex, tx_kex; u64 *keyx_cfg, reg; u8 intf; =20 + mkex_extr =3D rvu->kpu.mcam_kex_prfl.mkex_extr; + mkex =3D rvu->kpu.mcam_kex_prfl.mkex; + if (is_cn20k(rvu->pdev)) { - keyx_cfg =3D mkex_extr->keyx_cfg; + keyx_cfg =3D (u64 *)mkex_extr->keyx_cfg; } else { - keyx_cfg =3D mkex->keyx_cfg; + keyx_cfg =3D (u64 *)mkex->keyx_cfg; /* Reserve last counter for MCAM RX miss action which is set to * drop packet. This way we will know how many pkts didn't * match any MCAM entry. diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.h b/drivers/= net/ethernet/marvell/octeontx2/af/rvu_npc.h index 83c5e32e2afc..662f6693cfe9 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.h +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.h @@ -18,4 +18,21 @@ int npc_fwdb_prfl_img_map(struct rvu *rvu, void __iomem = **prfl_img_addr, =20 void npc_mcam_clear_bit(struct npc_mcam *mcam, u16 index); void npc_mcam_set_bit(struct npc_mcam *mcam, u16 index); + +struct npc_kpu_profile_action * +npc_get_ikpu_nth_entry(struct rvu *rvu, int n); + +int +npc_get_num_kpu_cam_entries(struct rvu *rvu, + const struct npc_kpu_profile *kpu_pfl); +struct npc_kpu_profile_cam * +npc_get_kpu_cam_nth_entry(struct rvu *rvu, + const struct npc_kpu_profile *kpu_pfl, int n); + +int +npc_get_num_kpu_action_entries(struct rvu *rvu, + const struct npc_kpu_profile *kpu_pfl); +struct npc_kpu_profile_action * +npc_get_kpu_action_nth_entry(struct rvu *rvu, + const struct npc_kpu_profile *kpu_pfl, int n); #endif /* RVU_NPC_H */ diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_reg.h b/drivers/= net/ethernet/marvell/octeontx2/af/rvu_reg.h index 62cdc714ba57..ab89b8c6e490 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_reg.h +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_reg.h @@ -596,6 +596,7 @@ #define NPC_AF_INTFX_KEX_CFG(a) (0x01010 | (a) << 8) #define NPC_AF_PKINDX_ACTION0(a) (0x80000ull | (a) << 6) #define NPC_AF_PKINDX_ACTION1(a) (0x80008ull | (a) << 6) +#define NPC_AF_PKINDX_TYPE(a) (0x80010ull | (a) << 6) #define NPC_AF_PKINDX_CPI_DEFX(a, b) (0x80020ull | (a) << 6 | (b) << 3) #define NPC_AF_KPUX_ENTRYX_CAMX(a, b, c) \ (0x100000 | (a) << 14 | (b) << 6 | (c) << 3) --=20 2.43.0 From nobody Mon Jun 8 07:23:00 2026 Received: from mx0a-0016f401.pphosted.com (mx0a-0016f401.pphosted.com [67.231.148.174]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 863E9823DE; 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(unknown [10.28.36.165]) by maili.marvell.com (Postfix) with ESMTP id 5800F3F7062; Sun, 31 May 2026 19:59:38 -0700 (PDT) From: Ratheesh Kannoth To: , CC: , , , , , , , , , "Ratheesh Kannoth" Subject: [PATCH v17 net-next 7/8] octeontx2: cn20k: Respect NPC MCAM X2/X4 profile in flows and DFT alloc Date: Mon, 1 Jun 2026 08:28:42 +0530 Message-ID: <20260601025844.865865-8-rkannoth@marvell.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260601025844.865865-1-rkannoth@marvell.com> References: <20260601025844.865865-1-rkannoth@marvell.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Proofpoint-GUID: JgjxKE81PTaauFUKIaAx2wLZ3khb1LjE X-Proofpoint-ORIG-GUID: JgjxKE81PTaauFUKIaAx2wLZ3khb1LjE X-Authority-Analysis: v=2.4 cv=ZeYt8MVA c=1 sm=1 tr=0 ts=6a1cf59f cx=c_pps a=gIfcoYsirJbf48DBMSPrZA==:117 a=gIfcoYsirJbf48DBMSPrZA==:17 a=NGcC8JguVDcA:10 a=VkNPw1HP01LnGYTKEx00:22 a=l0iWHRpgs5sLHlkKQ1IR:22 a=TtqV-g6YmW1Jfm2GSLaY:22 a=M5GUcnROAAAA:8 a=3zpKOMqohp-RhpYd6ikA:9 a=OBjm3rFKGHvpk9ecZwUJ:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjAxMDAyOCBTYWx0ZWRfX8y+sqCy5ufGx cqoMPfl3iTCNLLh26HGdeHy37a555NFzwyv9BSDgRRAUGXeezIYD8yTkIWgu63wYJhQl0M+yLeY duSL9NEza8DDJuOcIJtjfPkT0WGiXavzFVHXFglfWUicBmi8W2V48d3G8XBHUoh2TyPN3OPDTX6 2nRLlSZXyhbuNADln+azGgM1gzUicYoC9wJ21ZVSYrE/7eMu83FI8YhsbDdL7oJtOFnQzYSbLQl 2IrmqkdAUuLUki0idkB24XtBR9LHnZThyMkfJssLdWNaEIZ5pdY3P7ZOBd7W2eSatyOLeuO8yA3 J4zdI4FZbqbQebPkyjZMseZhZnO/n6YkPwrMUJWHtgExLVeNgVn/DZNshsnK+qE8kU6pEVIBPkJ XzVyHBga+kZRb7ELrk3GdBPanRm5S+wtlbOgcVTR9fSAoTivXdD7z47uCveKsp/P26gkSOyeAic g1o7XFafgyXCuwWhkdQ== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-01_01,2026-05-28_03,2025-10-01_01 Content-Type: text/plain; charset="utf-8" Default CN20K NPC rule allocation now keys off the active MCAM keyword width: use X4 with a bank-masked reference index when the silicon uses X4 keys, and X2 with the raw index otherwise (replacing the previous always-X2 / eidx + 1 behaviour). In the AF flow-install path, flows that need more than 256 key bits query the NPC profile; if the platform is fixed to X2 entries, fail with -EOPNOTSUPP instead of requesting X4. Otherwise select X4 for the MCAM alloc. On the PF, cache and pass the profile kw_type from npc_get_pfl_info through otx2_mcam_pfl_info_get(), and use it when allocating MCAM entries for RSS/defaults and when installing ethtool flows on CN20K, including masking the reference index for X4 slot layout. Signed-off-by: Ratheesh Kannoth --- .../ethernet/marvell/octeontx2/af/cn20k/npc.c | 21 ++++++-- .../marvell/octeontx2/af/rvu_npc_fs.c | 12 ++++- .../marvell/octeontx2/nic/otx2_flows.c | 48 +++++++++++++------ 3 files changed, 61 insertions(+), 20 deletions(-) diff --git a/drivers/net/ethernet/marvell/octeontx2/af/cn20k/npc.c b/driver= s/net/ethernet/marvell/octeontx2/af/cn20k/npc.c index 513e68711962..ae4683e0405d 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/cn20k/npc.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/cn20k/npc.c @@ -4500,10 +4500,16 @@ int npc_cn20k_dft_rules_alloc(struct rvu *rvu, u16 = pcifunc) pfvf =3D rvu_get_pfvf(rvu, pcifunc); pfvf->hw_prio =3D NPC_DFT_RULE_PRIO; =20 + if (npc_priv.kw =3D=3D NPC_MCAM_KEY_X4) { + req.kw_type =3D NPC_MCAM_KEY_X4; + req.ref_entry =3D eidx & (npc_priv.bank_depth - 1); + } else { + req.kw_type =3D NPC_MCAM_KEY_X2; + req.ref_entry =3D eidx; + } + req.contig =3D false; req.ref_prio =3D NPC_MCAM_HIGHER_PRIO; - req.ref_entry =3D eidx; - req.kw_type =3D NPC_MCAM_KEY_X2; req.count =3D cnt; req.hdr.pcifunc =3D pcifunc; =20 @@ -4533,11 +4539,18 @@ int npc_cn20k_dft_rules_alloc(struct rvu *rvu, u16 = pcifunc) * as NPC_DFT_RULE_PRIO - 1 (higher hw priority) */ req.contig =3D false; - req.kw_type =3D NPC_MCAM_KEY_X2; req.count =3D cnt; req.hdr.pcifunc =3D pcifunc; req.ref_prio =3D NPC_MCAM_LOWER_PRIO; - req.ref_entry =3D eidx + 1; + + if (npc_priv.kw =3D=3D NPC_MCAM_KEY_X4) { + req.kw_type =3D NPC_MCAM_KEY_X4; + req.ref_entry =3D eidx & (npc_priv.bank_depth - 1); + } else { + req.kw_type =3D NPC_MCAM_KEY_X2; + req.ref_entry =3D eidx; + } + ret =3D rvu_mbox_handler_npc_mcam_alloc_entry(rvu, &req, &rsp); if (ret) { dev_err(rvu->dev, diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c b/drive= rs/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c index 6ae9cdcb608b..d20eb0e47d7d 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc_fs.c @@ -1671,9 +1671,11 @@ rvu_npc_alloc_entry_for_flow_install(struct rvu *rvu, { struct npc_mcam_alloc_entry_req entry_req; struct npc_mcam_alloc_entry_rsp entry_rsp; + struct npc_get_pfl_info_rsp rsp =3D { 0 }; struct npc_get_num_kws_req kws_req; struct npc_get_num_kws_rsp kws_rsp; int off, kw_bits, rc; + struct msg_req req; u8 *src, *dst; =20 if (!is_cn20k(rvu->pdev)) { @@ -1697,8 +1699,16 @@ rvu_npc_alloc_entry_for_flow_install(struct rvu *rvu, kw_bits =3D kws_rsp.kws * 64; =20 *kw_type =3D NPC_MCAM_KEY_X2; - if (kw_bits > 256) + if (kw_bits > 256) { + rvu_mbox_handler_npc_get_pfl_info(rvu, &req, &rsp); + if (rsp.kw_type =3D=3D NPC_MCAM_KEY_X2) { + dev_err(rvu->dev, + "Only X2 entries are supported in X2 profile\n"); + return -EOPNOTSUPP; + } + *kw_type =3D NPC_MCAM_KEY_X4; + } =20 memset(&entry_req, 0, sizeof(entry_req)); memset(&entry_rsp, 0, sizeof(entry_rsp)); diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c b/driv= ers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c index 38cc539d724d..5dd0591fed99 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c @@ -37,14 +37,13 @@ static void otx2_clear_ntuple_flow_info(struct otx2_nic= *pfvf, struct otx2_flow_ flow_cfg->max_flows =3D 0; } =20 -static int otx2_mcam_pfl_info_get(struct otx2_nic *pfvf, bool *is_x2, - u16 *x4_slots) +static int otx2_mcam_pfl_info_get(struct otx2_nic *pfvf, u16 *x4_slots, u8= *kw_type) { struct npc_get_pfl_info_rsp *rsp; struct msg_req *req; static struct { bool is_set; - bool is_x2; + u8 kw_type; u16 x4_slots; } pfl_info; =20 @@ -53,8 +52,8 @@ static int otx2_mcam_pfl_info_get(struct otx2_nic *pfvf, = bool *is_x2, */ mutex_lock(&pfvf->mbox.lock); if (pfl_info.is_set) { - *is_x2 =3D pfl_info.is_x2; *x4_slots =3D pfl_info.x4_slots; + *kw_type =3D pfl_info.kw_type; mutex_unlock(&pfvf->mbox.lock); return 0; } @@ -79,16 +78,16 @@ static int otx2_mcam_pfl_info_get(struct otx2_nic *pfvf= , bool *is_x2, return -EFAULT; } =20 - *is_x2 =3D (rsp->kw_type =3D=3D NPC_MCAM_KEY_X2); - if (*is_x2) - *x4_slots =3D 0; + pfl_info.kw_type =3D rsp->kw_type; + if (rsp->kw_type =3D=3D NPC_MCAM_KEY_X2) + pfl_info.x4_slots =3D 0; else - *x4_slots =3D rsp->x4_slots; - - pfl_info.is_x2 =3D *is_x2; - pfl_info.x4_slots =3D *x4_slots; + pfl_info.x4_slots =3D rsp->x4_slots; pfl_info.is_set =3D true; =20 + *x4_slots =3D pfl_info.x4_slots; + *kw_type =3D pfl_info.kw_type; + mutex_unlock(&pfvf->mbox.lock); return 0; } @@ -164,6 +163,7 @@ int otx2_alloc_mcam_entries(struct otx2_nic *pfvf, u16 = count) u16 dft_idx =3D 0, x4_slots =3D 0; int ent, allocated =3D 0, ref; bool is_x2 =3D false; + u8 kw_type =3D 0; int rc; =20 /* Free current ones and allocate new ones with requested count */ @@ -182,12 +182,14 @@ int otx2_alloc_mcam_entries(struct otx2_nic *pfvf, u1= 6 count) } =20 if (is_cn20k(pfvf->pdev)) { - rc =3D otx2_mcam_pfl_info_get(pfvf, &is_x2, &x4_slots); + rc =3D otx2_mcam_pfl_info_get(pfvf, &x4_slots, &kw_type); if (rc) { netdev_err(pfvf->netdev, "Error to retrieve profile info\n"); return rc; } =20 + is_x2 =3D kw_type =3D=3D NPC_MCAM_KEY_X2; + rc =3D otx2_get_dft_rl_idx(pfvf, &dft_idx); if (rc) { netdev_err(pfvf->netdev, @@ -289,6 +291,8 @@ int otx2_mcam_entry_init(struct otx2_nic *pfvf) struct npc_mcam_alloc_entry_rsp *rsp; int vf_vlan_max_flows, count; int rc, ref, prio, ent; + u8 kw_type =3D 0; + u16 x4_slots; u16 dft_idx; =20 ref =3D 0; @@ -315,6 +319,16 @@ int otx2_mcam_entry_init(struct otx2_nic *pfvf) if (!flow_cfg->def_ent) return -ENOMEM; =20 + kw_type =3D NPC_MCAM_KEY_X2; + if (is_cn20k(pfvf->pdev)) { + rc =3D otx2_mcam_pfl_info_get(pfvf, &x4_slots, &kw_type); + if (rc) { + netdev_err(pfvf->netdev, + "Error to get pfl info\n"); + return rc; + } + } + mutex_lock(&pfvf->mbox.lock); =20 req =3D otx2_mbox_alloc_msg_npc_mcam_alloc_entry(&pfvf->mbox); @@ -324,6 +338,10 @@ int otx2_mcam_entry_init(struct otx2_nic *pfvf) } =20 req->kw_type =3D NPC_MCAM_KEY_X2; + if (is_cn20k(pfvf->pdev) && kw_type =3D=3D NPC_MCAM_KEY_X4) { + req->kw_type =3D NPC_MCAM_KEY_X4; + ref &=3D (x4_slots - 1); + } req->contig =3D false; req->count =3D count; req->ref_prio =3D prio; @@ -1174,15 +1192,14 @@ static int otx2_add_flow_msg(struct otx2_nic *pfvf,= struct otx2_flow *flow) #ifdef CONFIG_DCB int vlan_prio, qidx, pfc_rule =3D 0; 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(unknown [10.28.36.165]) by maili.marvell.com (Postfix) with ESMTP id 3D9B03F7062; Sun, 31 May 2026 19:59:42 -0700 (PDT) From: Ratheesh Kannoth To: , CC: , , , , , , , , , "Ratheesh Kannoth" Subject: [PATCH v17 net-next 8/8] octeontx2-af: npc: cn20k: Allocate npc_priv and dstats dynamically. Date: Mon, 1 Jun 2026 08:28:43 +0530 Message-ID: <20260601025844.865865-9-rkannoth@marvell.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260601025844.865865-1-rkannoth@marvell.com> References: <20260601025844.865865-1-rkannoth@marvell.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Proofpoint-ORIG-GUID: G0a9TuvrdIPgeXjtcjMJjPYksySkNgCX X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjAxMDAyOCBTYWx0ZWRfXx0Y/AhtXxGRf yywEXNWGmhTZ/mtEJk0ufgPES6s6Z/kmNTAVj7HL7gbol8Sy8XrMEhhW1/B3/lEv5hbGqBCkAfs nIf/7m3XdWVc3Ss5kKhJIThcYHwJaGsv5u9Zarz5wXF6mno/MdWuzKZqZYGp5teAgDqRGd0id6I 36kHYjc/n9TpDSsTEeZ+48F5a8FYVhZmaiOS9WJazkfoywKFkzWFI9ehvn9AA8vrPiLx8wmiCqf GpGxleFYmbn4yzwJEX9BQHzBWJXlasgCNeTgNki3yhQ96MiB9YjnluebGRMBO6AYADdQ0wjgga8 +9zClm1KC1Mp5NfP1qBm2buwdt3Wob/kMJPYCuwimD8KQHbHpc97F7ppwzzqU43jZR5ABEkV4qe xMZ5+hftyA9R218YklUQ08u4vM+B391C9IHpLqPLLzAcnxZy37tDiCz55LxSlpDjI705GrI8IGf za/gjn6Ru5oMQoq/PXw== X-Proofpoint-GUID: G0a9TuvrdIPgeXjtcjMJjPYksySkNgCX X-Authority-Analysis: v=2.4 cv=ON0XGyaB c=1 sm=1 tr=0 ts=6a1cf5a3 cx=c_pps a=rEv8fa4AjpPjGxpoe8rlIQ==:117 a=rEv8fa4AjpPjGxpoe8rlIQ==:17 a=NGcC8JguVDcA:10 a=VkNPw1HP01LnGYTKEx00:22 a=l0iWHRpgs5sLHlkKQ1IR:22 a=qit2iCtTFQkLgVSMPQTB:22 a=M5GUcnROAAAA:8 a=S7HcfYHk9quoGn6NhDEA:9 a=jzFzRQuv5CvcdMS1:21 a=OBjm3rFKGHvpk9ecZwUJ:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-01_01,2026-05-28_03,2025-10-01_01 Content-Type: text/plain; charset="utf-8" Replace the file-scope static npc_priv with a kcalloc'd struct filled from hardware bank/subbank geometry at init (num_banks is no longer a const compile-time constant; drop init_done and use a non-NULL npc_priv pointer for liveness). Thread npc_priv_get() / pointer access through the CN20K NPC code paths, extend teardown to kfree the root struct on failure and in npc_cn20k_deinit, and adjust MCAM section setup to use the discovered subbank count. Allocate MCAM debugfs dstats via devm_kzalloc instead of a static matrix, and use the allocated backing store consistently when computing deltas (including the counter rollover compare). Signed-off-by: Ratheesh Kannoth --- .../marvell/octeontx2/af/cn20k/debugfs.c | 17 +- .../ethernet/marvell/octeontx2/af/cn20k/npc.c | 442 +++++++++--------- .../ethernet/marvell/octeontx2/af/cn20k/npc.h | 3 +- 3 files changed, 240 insertions(+), 222 deletions(-) diff --git a/drivers/net/ethernet/marvell/octeontx2/af/cn20k/debugfs.c b/dr= ivers/net/ethernet/marvell/octeontx2/af/cn20k/debugfs.c index 730ef97a57e6..b6fda42e44c7 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/cn20k/debugfs.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/cn20k/debugfs.c @@ -176,7 +176,8 @@ static DEFINE_MUTEX(stats_lock); * hard limit on all silicon variants, preventing any possibility of * out-of-bounds access. */ -static u64 dstats[MAX_NUM_BANKS][MAX_SUBBANK_DEPTH * MAX_NUM_SUB_BANKS] = =3D {}; +static u64 (*dstats)[MAX_NUM_BANKS][MAX_SUBBANK_DEPTH * MAX_NUM_SUB_BANKS]; + static int npc_mcam_dstats_show(struct seq_file *s, void *unused) { struct npc_priv_t *npc_priv; @@ -212,24 +213,24 @@ static int npc_mcam_dstats_show(struct seq_file *s, v= oid *unused) NPC_AF_CN20K_MCAMEX_BANKX_STAT_EXT(idx, bank)); if (!stats) continue; - if (stats =3D=3D dstats[bank][idx]) + if (stats =3D=3D dstats[0][bank][idx]) continue; =20 - if (stats < dstats[bank][idx]) - dstats[bank][idx] =3D 0; + if (stats < dstats[0][bank][idx]) + dstats[0][bank][idx] =3D 0; =20 pf =3D 0xFFFF; map =3D xa_load(&npc_priv->xa_idx2pf_map, mcam_idx); if (map) pf =3D xa_to_value(map); =20 - delta =3D stats - dstats[bank][idx]; + delta =3D stats - dstats[0][bank][idx]; =20 snprintf(buff, sizeof(buff), "%u\t%#04x\t%llu\n", mcam_idx, pf, delta); seq_puts(s, buff); =20 - dstats[bank][idx] =3D stats; + dstats[0][bank][idx] =3D stats; } } =20 @@ -397,6 +398,10 @@ int npc_cn20k_debugfs_init(struct rvu *rvu) debugfs_create_file("vidx2idx", 0444, rvu->rvu_dbg.npc, npc_priv, &npc_vidx2idx_map_fops); =20 + dstats =3D devm_kzalloc(rvu->dev, sizeof(*dstats), GFP_KERNEL); + if (!dstats) + return -ENOMEM; + debugfs_create_file("dstats", 0444, rvu->rvu_dbg.npc, rvu, &npc_mcam_dstats_fops); =20 diff --git a/drivers/net/ethernet/marvell/octeontx2/af/cn20k/npc.c b/driver= s/net/ethernet/marvell/octeontx2/af/cn20k/npc.c index ae4683e0405d..94a766b3ac07 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/cn20k/npc.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/cn20k/npc.c @@ -16,9 +16,7 @@ #include "cn20k/reg.h" #include "rvu_npc_fs.h" =20 -static struct npc_priv_t npc_priv =3D { - .num_banks =3D MAX_NUM_BANKS, -}; +static struct npc_priv_t *npc_priv; =20 static const char *npc_kw_name[NPC_MCAM_KEY_MAX] =3D { [NPC_MCAM_KEY_DYN] =3D "DYNAMIC", @@ -226,7 +224,7 @@ static u16 npc_idx2vidx(u16 idx) vidx =3D idx; index =3D idx; =20 - map =3D xa_load(&npc_priv.xa_idx2vidx_map, index); + map =3D xa_load(&npc_priv->xa_idx2vidx_map, index); if (!map) goto done; =20 @@ -242,7 +240,7 @@ static u16 npc_idx2vidx(u16 idx) =20 static bool npc_is_vidx(u16 vidx) { - return vidx >=3D npc_priv.bank_depth * 2; + return vidx >=3D npc_priv->bank_depth * 2; } =20 static u16 npc_vidx2idx(u16 vidx) @@ -256,7 +254,7 @@ static u16 npc_vidx2idx(u16 vidx) idx =3D vidx; index =3D vidx; =20 - map =3D xa_load(&npc_priv.xa_vidx2idx_map, index); + map =3D xa_load(&npc_priv->xa_vidx2idx_map, index); if (!map) goto done; =20 @@ -272,7 +270,7 @@ static u16 npc_vidx2idx(u16 vidx) =20 u16 npc_cn20k_vidx2idx(u16 idx) { - if (!npc_priv.init_done) + if (!npc_priv) return idx; =20 if (!npc_is_vidx(idx)) @@ -283,7 +281,7 @@ u16 npc_cn20k_vidx2idx(u16 idx) =20 u16 npc_cn20k_idx2vidx(u16 idx) { - if (!npc_priv.init_done) + if (!npc_priv) return idx; =20 if (npc_is_vidx(idx)) @@ -306,7 +304,7 @@ static int npc_vidx_maps_del_entry(struct rvu *rvu, u16= vidx, u16 *old_midx) =20 mcam_idx =3D npc_vidx2idx(vidx); =20 - map =3D xa_erase(&npc_priv.xa_vidx2idx_map, vidx); + map =3D xa_erase(&npc_priv->xa_vidx2idx_map, vidx); if (!map) { dev_err(rvu->dev, "%s: vidx(%u) does not map to proper mcam idx\n", @@ -314,7 +312,7 @@ static int npc_vidx_maps_del_entry(struct rvu *rvu, u16= vidx, u16 *old_midx) return -ESRCH; } =20 - map =3D xa_erase(&npc_priv.xa_idx2vidx_map, mcam_idx); + map =3D xa_erase(&npc_priv->xa_idx2vidx_map, mcam_idx); if (!map) { dev_err(rvu->dev, "%s: vidx(%u) is not valid\n", @@ -341,7 +339,7 @@ static int npc_vidx_maps_modify(struct rvu *rvu, u16 vi= dx, u16 new_midx) return -ESRCH; } =20 - map =3D xa_erase(&npc_priv.xa_vidx2idx_map, vidx); + map =3D xa_erase(&npc_priv->xa_vidx2idx_map, vidx); if (!map) { dev_err(rvu->dev, "%s: vidx(%u) could not be deleted from vidx2idx map\n", @@ -351,7 +349,7 @@ static int npc_vidx_maps_modify(struct rvu *rvu, u16 vi= dx, u16 new_midx) =20 old_midx =3D xa_to_value(map); =20 - rc =3D xa_insert(&npc_priv.xa_vidx2idx_map, vidx, + rc =3D xa_insert(&npc_priv->xa_vidx2idx_map, vidx, xa_mk_value(new_midx), GFP_KERNEL); if (rc) { dev_err(rvu->dev, @@ -360,7 +358,7 @@ static int npc_vidx_maps_modify(struct rvu *rvu, u16 vi= dx, u16 new_midx) goto fail1; } =20 - map =3D xa_erase(&npc_priv.xa_idx2vidx_map, old_midx); + map =3D xa_erase(&npc_priv->xa_idx2vidx_map, old_midx); if (!map) { dev_err(rvu->dev, "%s: old_midx(%u, vidx(%u)) cannot be added to idx2vidx map\n", @@ -369,7 +367,7 @@ static int npc_vidx_maps_modify(struct rvu *rvu, u16 vi= dx, u16 new_midx) goto fail2; } =20 - rc =3D xa_insert(&npc_priv.xa_idx2vidx_map, new_midx, + rc =3D xa_insert(&npc_priv->xa_idx2vidx_map, new_midx, xa_mk_value(vidx), GFP_KERNEL); if (rc) { dev_err(rvu->dev, @@ -382,21 +380,21 @@ static int npc_vidx_maps_modify(struct rvu *rvu, u16 = vidx, u16 new_midx) =20 fail3: /* Restore vidx at old_midx location */ - if (xa_insert(&npc_priv.xa_idx2vidx_map, old_midx, + if (xa_insert(&npc_priv->xa_idx2vidx_map, old_midx, xa_mk_value(vidx), GFP_KERNEL)) dev_err(rvu->dev, "%s: Error to roll back idx2vidx old_midx=3D%u vidx=3D%u\n", __func__, old_midx, vidx); fail2: /* Erase new_midx inserted at vidx */ - if (!xa_erase(&npc_priv.xa_vidx2idx_map, vidx)) + if (!xa_erase(&npc_priv->xa_vidx2idx_map, vidx)) dev_err(rvu->dev, "%s: Failed to roll back vidx2idx vidx=3D%u\n", __func__, vidx); =20 fail1: /* Restore old_midx at vidx location */ - if (xa_insert(&npc_priv.xa_vidx2idx_map, vidx, + if (xa_insert(&npc_priv->xa_vidx2idx_map, vidx, xa_mk_value(old_midx), GFP_KERNEL)) dev_err(rvu->dev, "%s: Failed to roll back vidx2idx to old_midx=3D%u, vidx=3D%u\n", @@ -412,10 +410,10 @@ static int npc_vidx_maps_add_entry(struct rvu *rvu, u= 16 mcam_idx, int pcifunc, u32 id; =20 /* Virtual index start from maximum mcam index + 1 */ - max =3D npc_priv.bank_depth * 2 * 2 - 1; - min =3D npc_priv.bank_depth * 2; + max =3D npc_priv->bank_depth * 2 * 2 - 1; + min =3D npc_priv->bank_depth * 2; =20 - rc =3D xa_alloc(&npc_priv.xa_vidx2idx_map, &id, + rc =3D xa_alloc(&npc_priv->xa_vidx2idx_map, &id, xa_mk_value(mcam_idx), XA_LIMIT(min, max), GFP_KERNEL); if (rc) { @@ -425,7 +423,7 @@ static int npc_vidx_maps_add_entry(struct rvu *rvu, u16= mcam_idx, int pcifunc, goto fail1; } =20 - rc =3D xa_insert(&npc_priv.xa_idx2vidx_map, mcam_idx, + rc =3D xa_insert(&npc_priv->xa_idx2vidx_map, mcam_idx, xa_mk_value(id), GFP_KERNEL); if (rc) { dev_err(rvu->dev, @@ -440,7 +438,7 @@ static int npc_vidx_maps_add_entry(struct rvu *rvu, u16= mcam_idx, int pcifunc, return 0; =20 fail2: - xa_erase(&npc_priv.xa_vidx2idx_map, id); + xa_erase(&npc_priv->xa_vidx2idx_map, id); fail1: return rc; } @@ -691,7 +689,7 @@ void npc_cn20k_parser_profile_init(struct rvu *rvu, int= blkaddr) =20 struct npc_priv_t *npc_priv_get(void) { - return &npc_priv; + return npc_priv; } =20 static void npc_program_mkex_rx(struct rvu *rvu, int blkaddr, @@ -860,9 +858,9 @@ npc_cn20k_enable_mcam_entry(struct rvu *rvu, int blkadd= r, =20 update_en_map: if (enable) - set_bit(index, npc_priv.en_map); + set_bit(index, npc_priv->en_map); else - clear_bit(index, npc_priv.en_map); + clear_bit(index, npc_priv->en_map); =20 return 0; } @@ -1751,28 +1749,28 @@ int npc_mcam_idx_2_key_type(struct rvu *rvu, u16 mc= am_idx, u8 *key_type) int bank_off, sb_id; =20 /* mcam_idx should be less than (2 * bank depth) */ - if (mcam_idx >=3D npc_priv.bank_depth * 2) { + if (mcam_idx >=3D npc_priv->bank_depth * 2) { dev_err(rvu->dev, "%s: bad params\n", __func__); return -EINVAL; } =20 /* find mcam offset per bank */ - bank_off =3D mcam_idx & (npc_priv.bank_depth - 1); + bank_off =3D mcam_idx & (npc_priv->bank_depth - 1); =20 /* Find subbank id */ - sb_id =3D bank_off / npc_priv.subbank_depth; + sb_id =3D bank_off / npc_priv->subbank_depth; =20 /* Check if subbank id is more than maximum * number of subbanks available */ - if (sb_id >=3D npc_priv.num_subbanks) { + if (sb_id >=3D npc_priv->num_subbanks) { dev_err(rvu->dev, "%s: invalid subbank %d\n", __func__, sb_id); return -EINVAL; } =20 - sb =3D &npc_priv.sb[sb_id]; + sb =3D &npc_priv->sb[sb_id]; =20 *key_type =3D sb->key_type; =20 @@ -1788,7 +1786,7 @@ static int npc_subbank_idx_2_mcam_idx(struct rvu *rvu= , struct npc_subbank *sb, * subsection depth - 1 */ if (sb->key_type =3D=3D NPC_MCAM_KEY_X4 && - sub_off >=3D npc_priv.subbank_depth) { + sub_off >=3D npc_priv->subbank_depth) { dev_err(rvu->dev, "%s: Failed to get mcam idx (x4) sb->idx=3D%u sub_off=3D%u", __func__, sb->idx, sub_off); @@ -1799,7 +1797,7 @@ static int npc_subbank_idx_2_mcam_idx(struct rvu *rvu= , struct npc_subbank *sb, * 2 * subsection depth - 1 */ if (sb->key_type =3D=3D NPC_MCAM_KEY_X2 && - sub_off >=3D npc_priv.subbank_depth * 2) { + sub_off >=3D npc_priv->subbank_depth * 2) { dev_err(rvu->dev, "%s: Failed to get mcam idx (x2) sb->idx=3D%u sub_off=3D%u", __func__, sb->idx, sub_off); @@ -1807,12 +1805,12 @@ static int npc_subbank_idx_2_mcam_idx(struct rvu *r= vu, struct npc_subbank *sb, } =20 /* Find subbank offset from respective subbank (w.r.t bank) */ - off =3D sub_off & (npc_priv.subbank_depth - 1); + off =3D sub_off & (npc_priv->subbank_depth - 1); =20 /* if subsection idx is in bank1, add bank depth, * which is part of sb->b1b */ - bot =3D sub_off >=3D npc_priv.subbank_depth ? sb->b1b : sb->b0b; + bot =3D sub_off >=3D npc_priv->subbank_depth ? sb->b1b : sb->b0b; =20 *mcam_idx =3D bot + off; return 0; @@ -1825,37 +1823,37 @@ int npc_mcam_idx_2_subbank_idx(struct rvu *rvu, u16= mcam_idx, int bank_off, sb_id; =20 /* mcam_idx should be less than (2 * bank depth) */ - if (mcam_idx >=3D npc_priv.bank_depth * 2) { + if (mcam_idx >=3D npc_priv->bank_depth * 2) { dev_err(rvu->dev, "%s: Invalid mcam idx %u\n", __func__, mcam_idx); return -EINVAL; } =20 /* find mcam offset per bank */ - bank_off =3D mcam_idx & (npc_priv.bank_depth - 1); + bank_off =3D mcam_idx & (npc_priv->bank_depth - 1); =20 /* Find subbank id */ - sb_id =3D bank_off / npc_priv.subbank_depth; + sb_id =3D bank_off / npc_priv->subbank_depth; =20 /* Check if subbank id is more than maximum * number of subbanks available */ - if (sb_id >=3D npc_priv.num_subbanks) { + if (sb_id >=3D npc_priv->num_subbanks) { dev_err(rvu->dev, "%s: invalid subbank %d\n", __func__, sb_id); return -EINVAL; } =20 - *sb =3D &npc_priv.sb[sb_id]; + *sb =3D &npc_priv->sb[sb_id]; =20 /* Subbank offset per bank */ - *sb_off =3D bank_off % npc_priv.subbank_depth; + *sb_off =3D bank_off % npc_priv->subbank_depth; =20 /* Index in a subbank should add subbank depth * if it is in bank1 */ - if (mcam_idx >=3D npc_priv.bank_depth) - *sb_off +=3D npc_priv.subbank_depth; + if (mcam_idx >=3D npc_priv->bank_depth) + *sb_off +=3D npc_priv->subbank_depth; =20 return 0; } @@ -1871,9 +1869,9 @@ static int __npc_subbank_contig_alloc(struct rvu *rvu, int k, offset, delta =3D 0; int cnt =3D 0, sbd; =20 - sbd =3D npc_priv.subbank_depth; + sbd =3D npc_priv->subbank_depth; =20 - if (sidx >=3D npc_priv.bank_depth) + if (sidx >=3D npc_priv->bank_depth) delta =3D sbd; =20 switch (prio) { @@ -1940,8 +1938,8 @@ static int __npc_subbank_non_contig_alloc(struct rvu = *rvu, int cnt =3D 0, delta; int k, sbd; =20 - sbd =3D npc_priv.subbank_depth; - delta =3D sidx >=3D npc_priv.bank_depth ? sbd : 0; + sbd =3D npc_priv->subbank_depth; + delta =3D sidx >=3D npc_priv->bank_depth ? sbd : 0; =20 switch (prio) { /* Find an area of size 'count' from sidx to eidx */ @@ -2002,7 +2000,7 @@ static void __npc_subbank_sboff_2_off(struct rvu *rvu= , struct npc_subbank *sb, { int sbd; =20 - sbd =3D npc_priv.subbank_depth; + sbd =3D npc_priv->subbank_depth; =20 *off =3D sb_off & (sbd - 1); *bmap =3D (sb_off >=3D sbd) ? sb->b1map : sb->b0map; @@ -2051,20 +2049,20 @@ static int __npc_subbank_mark_free(struct rvu *rvu,= struct npc_subbank *sb) sb->flags =3D NPC_SUBBANK_FLAG_FREE; sb->key_type =3D 0; =20 - bitmap_clear(sb->b0map, 0, npc_priv.subbank_depth); - bitmap_clear(sb->b1map, 0, npc_priv.subbank_depth); + bitmap_clear(sb->b0map, 0, npc_priv->subbank_depth); + bitmap_clear(sb->b1map, 0, npc_priv->subbank_depth); =20 - if (!xa_erase(&npc_priv.xa_sb_used, sb->arr_idx)) { + if (!xa_erase(&npc_priv->xa_sb_used, sb->arr_idx)) { dev_err(rvu->dev, "%s: Error to delete from xa_sb_used array\n", __func__); return -EFAULT; } =20 - rc =3D xa_insert(&npc_priv.xa_sb_free, sb->arr_idx, + rc =3D xa_insert(&npc_priv->xa_sb_free, sb->arr_idx, xa_mk_value(sb->idx), GFP_KERNEL); if (rc) { - rc =3D xa_insert(&npc_priv.xa_sb_used, sb->arr_idx, + rc =3D xa_insert(&npc_priv->xa_sb_used, sb->arr_idx, xa_mk_value(sb->idx), GFP_KERNEL); if (rc) dev_err(rvu->dev, @@ -2093,21 +2091,21 @@ static int __npc_subbank_mark_used(struct rvu *rvu,= struct npc_subbank *sb, sb->flags =3D NPC_SUBBANK_FLAG_USED; sb->key_type =3D key_type; if (key_type =3D=3D NPC_MCAM_KEY_X4) - sb->free_cnt =3D npc_priv.subbank_depth; + sb->free_cnt =3D npc_priv->subbank_depth; else - sb->free_cnt =3D 2 * npc_priv.subbank_depth; + sb->free_cnt =3D 2 * npc_priv->subbank_depth; =20 - bitmap_clear(sb->b0map, 0, npc_priv.subbank_depth); - bitmap_clear(sb->b1map, 0, npc_priv.subbank_depth); + bitmap_clear(sb->b0map, 0, npc_priv->subbank_depth); + bitmap_clear(sb->b1map, 0, npc_priv->subbank_depth); =20 - if (!xa_erase(&npc_priv.xa_sb_free, sb->arr_idx)) { + if (!xa_erase(&npc_priv->xa_sb_free, sb->arr_idx)) { dev_err(rvu->dev, "%s: Error to delete from xa_sb_free array\n", __func__); return -EFAULT; } =20 - rc =3D xa_insert(&npc_priv.xa_sb_used, sb->arr_idx, + rc =3D xa_insert(&npc_priv->xa_sb_used, sb->arr_idx, xa_mk_value(sb->idx), GFP_KERNEL); if (rc) dev_err(rvu->dev, @@ -2131,10 +2129,10 @@ static bool __npc_subbank_free(struct rvu *rvu, str= uct npc_subbank *sb, =20 /* Check whether we can mark whole subbank as free */ if (sb->key_type =3D=3D NPC_MCAM_KEY_X4) { - if (sb->free_cnt < npc_priv.subbank_depth) + if (sb->free_cnt < npc_priv->subbank_depth) goto done; } else { - if (sb->free_cnt < 2 * npc_priv.subbank_depth) + if (sb->free_cnt < 2 * npc_priv->subbank_depth) goto done; } =20 @@ -2213,7 +2211,7 @@ static int __npc_subbank_alloc(struct rvu *rvu, struc= t npc_subbank *sb, =20 /* x4 indexes are from 0 to bank size as it combines two x2 banks */ if (key_type =3D=3D NPC_MCAM_KEY_X4 && - (ref >=3D npc_priv.bank_depth || limit >=3D npc_priv.bank_depth)) { + (ref >=3D npc_priv->bank_depth || limit >=3D npc_priv->bank_depth)) { dev_err(rvu->dev, "%s: Wrong ref_enty(%d) or limit(%d) for x4\n", __func__, ref, limit); @@ -2223,8 +2221,8 @@ static int __npc_subbank_alloc(struct rvu *rvu, struc= t npc_subbank *sb, /* This function is called either bank0 or bank1 portion of a subbank. * so ref and limit should be on same bank. */ - diffbank =3D !!((ref & npc_priv.bank_depth) ^ - (limit & npc_priv.bank_depth)); + diffbank =3D !!((ref & npc_priv->bank_depth) ^ + (limit & npc_priv->bank_depth)); if (diffbank) { dev_err(rvu->dev, "%s: request ref and limit should be from same bank\n", @@ -2248,7 +2246,7 @@ static int __npc_subbank_alloc(struct rvu *rvu, struc= t npc_subbank *sb, * or equal to mcam entries available in the subbank if contig. */ if (sb->flags & NPC_SUBBANK_FLAG_FREE) { - if (contig && count > npc_priv.subbank_depth) { + if (contig && count > npc_priv->subbank_depth) { dev_err(rvu->dev, "%s: Less number of entries\n", __func__); return -ENOSPC; @@ -2271,10 +2269,10 @@ static int __npc_subbank_alloc(struct rvu *rvu, str= uct npc_subbank *sb, } =20 process: - /* if ref or limit >=3D npc_priv.bank_depth, index are in bank1. + /* if ref or limit >=3D npc_priv->bank_depth, index are in bank1. * else bank0. */ - if (ref >=3D npc_priv.bank_depth) { + if (ref >=3D npc_priv->bank_depth) { bmap =3D sb->b1map; t =3D sb->b1t; b =3D sb->b1b; @@ -2285,8 +2283,8 @@ static int __npc_subbank_alloc(struct rvu *rvu, struc= t npc_subbank *sb, } =20 /* Calculate free slots */ - bw =3D bitmap_weight(bmap, npc_priv.subbank_depth); - bfree =3D npc_priv.subbank_depth - bw; + bw =3D bitmap_weight(bmap, npc_priv->subbank_depth); + bfree =3D npc_priv->subbank_depth - bw; =20 if (!bfree) { dev_dbg(rvu->dev, "%s: subbank is full\n", __func__); @@ -2415,7 +2413,7 @@ npc_del_from_pf_maps(struct rvu *rvu, u16 mcam_idx) int pcifunc, idx; void *map; =20 - map =3D xa_erase(&npc_priv.xa_idx2pf_map, mcam_idx); + map =3D xa_erase(&npc_priv->xa_idx2pf_map, mcam_idx); if (!map) { dev_err(rvu->dev, "%s: failed to erase mcam_idx(%u) from xa_idx2pf map\n", @@ -2424,7 +2422,7 @@ npc_del_from_pf_maps(struct rvu *rvu, u16 mcam_idx) } =20 pcifunc =3D xa_to_value(map); - map =3D xa_load(&npc_priv.xa_pf_map, pcifunc); + map =3D xa_load(&npc_priv->xa_pf_map, pcifunc); if (!map) { dev_err(rvu->dev, "%s: failed to find entry for (%u) from xa_pf_map, mcam=3D%u\n", @@ -2434,7 +2432,7 @@ npc_del_from_pf_maps(struct rvu *rvu, u16 mcam_idx) =20 idx =3D xa_to_value(map); =20 - map =3D xa_erase(&npc_priv.xa_pf2idx_map[idx], mcam_idx); + map =3D xa_erase(&npc_priv->xa_pf2idx_map[idx], mcam_idx); if (!map) { dev_err(rvu->dev, "%s: failed to erase mcam_idx(%u) from xa_pf2idx_map map\n", @@ -2454,18 +2452,18 @@ npc_add_to_pf_maps(struct rvu *rvu, u16 mcam_idx, i= nt pcifunc) "%s: add2maps mcam_idx(%u) to xa_idx2pf map pcifunc=3D%#x\n", __func__, mcam_idx, pcifunc); =20 - rc =3D xa_insert(&npc_priv.xa_idx2pf_map, mcam_idx, + rc =3D xa_insert(&npc_priv->xa_idx2pf_map, mcam_idx, xa_mk_value(pcifunc), GFP_KERNEL); =20 if (rc) { - map =3D xa_load(&npc_priv.xa_idx2pf_map, mcam_idx); + map =3D xa_load(&npc_priv->xa_idx2pf_map, mcam_idx); dev_err(rvu->dev, "%s: failed to insert mcam_idx(%u) to xa_idx2pf map, existing value=3D%= lu\n", __func__, mcam_idx, xa_to_value(map)); return -EFAULT; } =20 - map =3D xa_load(&npc_priv.xa_pf_map, pcifunc); + map =3D xa_load(&npc_priv->xa_pf_map, pcifunc); if (!map) { dev_err(rvu->dev, "%s: failed to find pf map entry for pcifunc=3D%#x, mcam=3D%u\n", @@ -2475,12 +2473,12 @@ npc_add_to_pf_maps(struct rvu *rvu, u16 mcam_idx, i= nt pcifunc) =20 idx =3D xa_to_value(map); =20 - rc =3D xa_insert(&npc_priv.xa_pf2idx_map[idx], mcam_idx, + rc =3D xa_insert(&npc_priv->xa_pf2idx_map[idx], mcam_idx, xa_mk_value(pcifunc), GFP_KERNEL); =20 if (rc) { - map =3D xa_load(&npc_priv.xa_pf2idx_map[idx], mcam_idx); - xa_erase(&npc_priv.xa_idx2pf_map, mcam_idx); + map =3D xa_load(&npc_priv->xa_pf2idx_map[idx], mcam_idx); + xa_erase(&npc_priv->xa_idx2pf_map, mcam_idx); dev_err(rvu->dev, "%s: failed to insert mcam_idx(%u) to xa_pf2idx_map map, earlier value= =3D%lu idx=3D%u\n", __func__, mcam_idx, xa_to_value(map), idx); @@ -2510,9 +2508,9 @@ npc_subbank_suits(struct npc_subbank *sb, int key_typ= e) return false; } =20 -#define SB_ALIGN_UP(val) (((val) + npc_priv.subbank_depth) & \ - ~((npc_priv.subbank_depth) - 1)) -#define SB_ALIGN_DOWN(val) ALIGN_DOWN((val), npc_priv.subbank_depth) +#define SB_ALIGN_UP(val) (((val) + npc_priv->subbank_depth) & \ + ~((npc_priv->subbank_depth) - 1)) +#define SB_ALIGN_DOWN(val) ALIGN_DOWN((val), npc_priv->subbank_depth) =20 static void npc_subbank_iter_down(struct rvu *rvu, int ref, int limit, @@ -2538,7 +2536,7 @@ static void npc_subbank_iter_down(struct rvu *rvu, } =20 *cur_ref =3D *cur_limit - 1; - align =3D *cur_ref - npc_priv.subbank_depth + 1; + align =3D *cur_ref - npc_priv->subbank_depth + 1; if (align <=3D limit) { *stop =3D true; *cur_limit =3D limit; @@ -2578,7 +2576,7 @@ static void npc_subbank_iter_up(struct rvu *rvu, } =20 *cur_ref =3D *cur_limit + 1; - align =3D *cur_ref + npc_priv.subbank_depth - 1; + align =3D *cur_ref + npc_priv->subbank_depth - 1; =20 if (align >=3D limit) { *stop =3D true; @@ -2606,17 +2604,17 @@ npc_subbank_iter(struct rvu *rvu, int key_type, =20 /* limit and ref should < bank_depth for x4 */ if (key_type =3D=3D NPC_MCAM_KEY_X4) { - if (*cur_ref >=3D npc_priv.bank_depth) + if (*cur_ref >=3D npc_priv->bank_depth) return -EINVAL; =20 - if (*cur_limit >=3D npc_priv.bank_depth) + if (*cur_limit >=3D npc_priv->bank_depth) return -EINVAL; } /* limit and ref should < 2 * bank_depth, for x2 */ - if (*cur_ref >=3D 2 * npc_priv.bank_depth) + if (*cur_ref >=3D 2 * npc_priv->bank_depth) return -EINVAL; =20 - if (*cur_limit >=3D 2 * npc_priv.bank_depth) + if (*cur_limit >=3D 2 * npc_priv->bank_depth) return -EINVAL; =20 return 0; @@ -2651,7 +2649,7 @@ static int npc_idx_free(struct rvu *rvu, u16 *mcam_id= x, int count, vidx =3D npc_idx2vidx(midx); } =20 - if (midx >=3D npc_priv.bank_depth * npc_priv.num_banks) { + if (midx >=3D npc_priv->bank_depth * npc_priv->num_banks) { dev_err(rvu->dev, "%s: Invalid mcam_idx=3D%u cannot be deleted\n", __func__, mcam_idx[i]); @@ -2846,7 +2844,7 @@ static int npc_subbank_free_cnt(struct rvu *rvu, stru= ct npc_subbank *sb, { int cnt, spd; =20 - spd =3D npc_priv.subbank_depth; + spd =3D npc_priv->subbank_depth; mutex_lock(&sb->lock); =20 if (sb->flags & NPC_SUBBANK_FLAG_FREE) @@ -3005,7 +3003,7 @@ static int npc_subbank_noref_alloc(struct rvu *rvu, i= nt key_type, bool contig, max_alloc =3D !contig; =20 /* Check used subbanks for free slots */ - xa_for_each(&npc_priv.xa_sb_used, index, val) { + xa_for_each(&npc_priv->xa_sb_used, index, val) { idx =3D xa_to_value(val); =20 /* Minimize allocation from restricted subbanks @@ -3014,7 +3012,7 @@ static int npc_subbank_noref_alloc(struct rvu *rvu, i= nt key_type, bool contig, if (npc_subbank_restrict_usage(rvu, idx)) continue; =20 - sb =3D &npc_priv.sb[idx]; + sb =3D &npc_priv->sb[idx]; =20 /* Skip if not suitable subbank */ if (!npc_subbank_suits(sb, key_type)) @@ -3071,9 +3069,9 @@ static int npc_subbank_noref_alloc(struct rvu *rvu, i= nt key_type, bool contig, } =20 /* Allocate in free subbanks */ - xa_for_each(&npc_priv.xa_sb_free, index, val) { + xa_for_each(&npc_priv->xa_sb_free, index, val) { idx =3D xa_to_value(val); - sb =3D &npc_priv.sb[idx]; + sb =3D &npc_priv->sb[idx]; =20 /* Minimize allocation from restricted subbanks * in noref allocations. @@ -3129,7 +3127,7 @@ static int npc_subbank_noref_alloc(struct rvu *rvu, i= nt key_type, bool contig, for (i =3D 0; restrict_valid && (i < ARRAY_SIZE(npc_subbank_restricted_idxs)); i++) { idx =3D npc_subbank_restricted_idxs[i]; - sb =3D &npc_priv.sb[idx]; + sb =3D &npc_priv->sb[idx]; =20 /* Skip if not suitable subbank */ if (!npc_subbank_suits(sb, key_type)) @@ -3209,7 +3207,7 @@ int npc_cn20k_ref_idx_alloc(struct rvu *rvu, int pcif= unc, int key_type, bool ref_valid; u16 vidx; =20 - bd =3D npc_priv.bank_depth; + bd =3D npc_priv->bank_depth; =20 /* Special case: ref =3D=3D 0 && limit=3D 0 && prio =3D=3D HIGH && count = =3D=3D 1 * Here user wants to allocate 0th entry @@ -3227,7 +3225,7 @@ int npc_cn20k_ref_idx_alloc(struct rvu *rvu, int pcif= unc, int key_type, ref_valid =3D !!(limit || ref); defrag_candidate =3D !ref_valid && !contig && virt; if (!ref_valid) { - if (contig && count > npc_priv.subbank_depth) + if (contig && count > npc_priv->subbank_depth) goto try_noref_multi_subbank; =20 rc =3D npc_subbank_noref_alloc(rvu, key_type, contig, @@ -3272,7 +3270,7 @@ int npc_cn20k_ref_idx_alloc(struct rvu *rvu, int pcif= unc, int key_type, return -EINVAL; } =20 - if (contig && count > npc_priv.subbank_depth) + if (contig && count > npc_priv->subbank_depth) goto try_ref_multi_subbank; =20 rc =3D npc_subbank_ref_alloc(rvu, key_type, ref, limit, @@ -3334,8 +3332,8 @@ void npc_cn20k_subbank_calc_free(struct rvu *rvu, int= *x2_free, *x4_free =3D 0; *sb_free =3D 0; =20 - for (i =3D 0; i < npc_priv.num_subbanks; i++) { - sb =3D &npc_priv.sb[i]; + for (i =3D 0; i < npc_priv->num_subbanks; i++) { + sb =3D &npc_priv->sb[i]; mutex_lock(&sb->lock); =20 /* Count number of free subbanks */ @@ -3433,11 +3431,11 @@ static void npc_subbank_init(struct rvu *rvu, struc= t npc_subbank *sb, int idx) { mutex_init(&sb->lock); =20 - sb->b0b =3D idx * npc_priv.subbank_depth; - sb->b0t =3D sb->b0b + npc_priv.subbank_depth - 1; + sb->b0b =3D idx * npc_priv->subbank_depth; + sb->b0t =3D sb->b0b + npc_priv->subbank_depth - 1; =20 - sb->b1b =3D npc_priv.bank_depth + idx * npc_priv.subbank_depth; - sb->b1t =3D sb->b1b + npc_priv.subbank_depth - 1; + sb->b1b =3D npc_priv->bank_depth + idx * npc_priv->subbank_depth; + sb->b1t =3D sb->b1b + npc_priv->subbank_depth - 1; =20 sb->flags =3D NPC_SUBBANK_FLAG_FREE; sb->idx =3D idx; @@ -3449,7 +3447,7 @@ static void npc_subbank_init(struct rvu *rvu, struct = npc_subbank *sb, int idx) /* Keep first and last subbank at end of free array; so that * it will be used at last */ - xa_store(&npc_priv.xa_sb_free, sb->arr_idx, + xa_store(&npc_priv->xa_sb_free, sb->arr_idx, xa_mk_value(sb->idx), GFP_KERNEL); } =20 @@ -3474,7 +3472,7 @@ static int npc_pcifunc_map_create(struct rvu *rvu) =20 pcifunc =3D pf << 9; =20 - xa_store(&npc_priv.xa_pf_map, (unsigned long)pcifunc, + xa_store(&npc_priv->xa_pf_map, (unsigned long)pcifunc, xa_mk_value(cnt), GFP_KERNEL); =20 cnt++; @@ -3483,7 +3481,7 @@ static int npc_pcifunc_map_create(struct rvu *rvu) for (vf =3D 0; vf < numvfs; vf++) { pcifunc =3D (pf << 9) | (vf + 1); =20 - xa_store(&npc_priv.xa_pf_map, (unsigned long)pcifunc, + xa_store(&npc_priv->xa_pf_map, (unsigned long)pcifunc, xa_mk_value(cnt), GFP_KERNEL); cnt++; } @@ -3569,7 +3567,7 @@ static int npc_defrag_alloc_free_slots(struct rvu *rv= u, int rc, sb_off, i, err; bool deleted; =20 - sb =3D &npc_priv.sb[f->idx]; + sb =3D &npc_priv->sb[f->idx]; =20 alloc_cnt1 =3D 0; alloc_cnt2 =3D 0; @@ -3639,9 +3637,9 @@ static int npc_defrag_add_2_show_list(struct rvu *rvu= , u16 old_midx, node->vidx =3D vidx; INIT_LIST_HEAD(&node->list); =20 - mutex_lock(&npc_priv.lock); - list_add_tail(&node->list, &npc_priv.defrag_lh); - mutex_unlock(&npc_priv.lock); + mutex_lock(&npc_priv->lock); + list_add_tail(&node->list, &npc_priv->defrag_lh); + mutex_unlock(&npc_priv->lock); =20 return 0; } @@ -3745,7 +3743,7 @@ int npc_defrag_move_vdx_to_free(struct rvu *rvu, } =20 /* save pcifunc */ - map =3D xa_load(&npc_priv.xa_idx2pf_map, old_midx); + map =3D xa_load(&npc_priv->xa_idx2pf_map, old_midx); pcifunc =3D xa_to_value(map); =20 /* delete from pf maps */ @@ -3904,29 +3902,29 @@ static void npc_defrag_list_clear(void) { struct npc_defrag_show_node *node, *next; =20 - mutex_lock(&npc_priv.lock); - list_for_each_entry_safe(node, next, &npc_priv.defrag_lh, list) { + mutex_lock(&npc_priv->lock); + list_for_each_entry_safe(node, next, &npc_priv->defrag_lh, list) { list_del_init(&node->list); kfree(node); } =20 - mutex_unlock(&npc_priv.lock); + mutex_unlock(&npc_priv->lock); } =20 static void npc_lock_all_subbank(void) { int i; =20 - for (i =3D 0; i < npc_priv.num_subbanks; i++) - mutex_lock(&npc_priv.sb[i].lock); + for (i =3D 0; i < npc_priv->num_subbanks; i++) + mutex_lock(&npc_priv->sb[i].lock); } =20 static void npc_unlock_all_subbank(void) { int i; =20 - for (i =3D npc_priv.num_subbanks - 1; i >=3D 0; i--) - mutex_unlock(&npc_priv.sb[i].lock); + for (i =3D npc_priv->num_subbanks - 1; i >=3D 0; i--) + mutex_unlock(&npc_priv->sb[i].lock); } =20 int npc_cn20k_search_order_set(struct rvu *rvu, @@ -3944,9 +3942,9 @@ int npc_cn20k_search_order_set(struct rvu *rvu, USED =3D 1, }; =20 - if (cnt !=3D npc_priv.num_subbanks) { + if (cnt !=3D npc_priv->num_subbanks) { dev_err(rvu->dev, "Number of entries(%u) !=3D %u\n", - cnt, npc_priv.num_subbanks); + cnt, npc_priv->num_subbanks); return -EINVAL; } =20 @@ -3954,18 +3952,18 @@ int npc_cn20k_search_order_set(struct rvu *rvu, npc_lock_all_subbank(); =20 for (sb_idx =3D 0; sb_idx < cnt; sb_idx++) { - sb =3D &npc_priv.sb[sb_idx]; + sb =3D &npc_priv->sb[sb_idx]; save[sb->idx] =3D sb->arr_idx; } =20 for (prio =3D 0; prio < cnt; prio++) { sb_idx =3D narr[prio]; - sb =3D &npc_priv.sb[sb_idx]; + sb =3D &npc_priv->sb[sb_idx]; =20 if (sb->flags & NPC_SUBBANK_FLAG_USED) - xa =3D &npc_priv.xa_sb_used; + xa =3D &npc_priv->xa_sb_used; else - xa =3D &npc_priv.xa_sb_free; + xa =3D &npc_priv->xa_sb_free; =20 rc =3D xa_err(xa_store(xa, prio, xa_mk_value(sb_idx), GFP_KERNEL)); @@ -3989,10 +3987,10 @@ int npc_cn20k_search_order_set(struct rvu *rvu, =20 for (prio =3D 0; prio < cnt; prio++) { if (rsrc[FREE][prio] =3D=3D -1) - xa_erase(&npc_priv.xa_sb_free, prio); + xa_erase(&npc_priv->xa_sb_free, prio); =20 if (rsrc[USED][prio] =3D=3D -1) - xa_erase(&npc_priv.xa_sb_used, prio); + xa_erase(&npc_priv->xa_sb_used, prio); } =20 for (int i =3D 0; i < cnt; i++) @@ -4008,20 +4006,20 @@ int npc_cn20k_search_order_set(struct rvu *rvu, fail: for (prio =3D 0; prio < cnt; prio++) { if (rsrc[FREE][prio] =3D=3D 1) - xa_erase(&npc_priv.xa_sb_free, prio); + xa_erase(&npc_priv->xa_sb_free, prio); =20 if (rsrc[USED][prio] =3D=3D 1) - xa_erase(&npc_priv.xa_sb_used, prio); + xa_erase(&npc_priv->xa_sb_used, prio); } =20 for (sb_idx =3D 0; sb_idx < cnt; sb_idx++) { - sb =3D &npc_priv.sb[sb_idx]; + sb =3D &npc_priv->sb[sb_idx]; sb->arr_idx =3D save[sb_idx]; =20 if (sb->flags & NPC_SUBBANK_FLAG_USED) - xa =3D &npc_priv.xa_sb_used; + xa =3D &npc_priv->xa_sb_used; else - xa =3D &npc_priv.xa_sb_free; + xa =3D &npc_priv->xa_sb_free; =20 /* Since the entry already exists, xa_store() replaces * the value without a kmalloc(), making failure highly unlikely. @@ -4041,7 +4039,7 @@ int npc_cn20k_search_order_set(struct rvu *rvu, const u32 *npc_cn20k_search_order_get(bool *restricted_order, u32 *sz) { *restricted_order =3D restrict_valid; - *sz =3D npc_priv.num_subbanks; + *sz =3D npc_priv->num_subbanks; return subbank_srch_order; } =20 @@ -4065,7 +4063,7 @@ int npc_cn20k_defrag(struct rvu *rvu) INIT_LIST_HEAD(&x4lh); INIT_LIST_HEAD(&x2lh); =20 - node =3D kcalloc(npc_priv.num_subbanks, sizeof(*node), GFP_KERNEL); + node =3D kcalloc(npc_priv->num_subbanks, sizeof(*node), GFP_KERNEL); if (!node) return -ENOMEM; =20 @@ -4074,13 +4072,13 @@ int npc_cn20k_defrag(struct rvu *rvu) npc_lock_all_subbank(); =20 /* Fill in node with subbank properties */ - for (i =3D 0; i < npc_priv.num_subbanks; i++) { - sb =3D &npc_priv.sb[i]; + for (i =3D 0; i < npc_priv->num_subbanks; i++) { + sb =3D &npc_priv->sb[i]; =20 node[i].idx =3D i; node[i].key_type =3D sb->key_type; node[i].free_cnt =3D sb->free_cnt; - node[i].vidx =3D kcalloc(npc_priv.subbank_depth * 2, + node[i].vidx =3D kcalloc(npc_priv->subbank_depth * 2, sizeof(*node[i].vidx), GFP_KERNEL); if (!node[i].vidx) { @@ -4110,8 +4108,8 @@ int npc_cn20k_defrag(struct rvu *rvu) } =20 /* Filling vidx[] array with all vidx in that subbank */ - xa_for_each_start(&npc_priv.xa_vidx2idx_map, index, map, - npc_priv.bank_depth * 2) { + xa_for_each_start(&npc_priv->xa_vidx2idx_map, index, map, + npc_priv->bank_depth * 2) { midx =3D xa_to_value(map); rc =3D npc_mcam_idx_2_subbank_idx(rvu, midx, &sb, &sb_off); @@ -4128,14 +4126,14 @@ int npc_cn20k_defrag(struct rvu *rvu) } =20 /* Mark all subbank which has ref allocation */ - for (i =3D 0; i < npc_priv.num_subbanks; i++) { + for (i =3D 0; i < npc_priv->num_subbanks; i++) { tnode =3D &node[i]; =20 if (!tnode->valid) continue; =20 tot =3D (tnode->key_type =3D=3D NPC_MCAM_KEY_X2) ? - npc_priv.subbank_depth * 2 : npc_priv.subbank_depth; + npc_priv->subbank_depth * 2 : npc_priv->subbank_depth; =20 if (node[i].vidx_cnt !=3D tot - tnode->free_cnt) tnode->refs =3D true; @@ -4152,7 +4150,7 @@ int npc_cn20k_defrag(struct rvu *rvu) free_vidx: npc_unlock_all_subbank(); mutex_unlock(&mcam->lock); - for (i =3D 0; i < npc_priv.num_subbanks; i++) + for (i =3D 0; i < npc_priv->num_subbanks; i++) kfree(node[i].vidx); kfree(node); return rc; @@ -4180,7 +4178,7 @@ int npc_cn20k_dft_rules_idx_get(struct rvu *rvu, u16 = pcifunc, u16 *bcast, *ptr[i] =3D USHRT_MAX; } =20 - if (!npc_priv.init_done) + if (!npc_priv) return 0; =20 if (is_lbk_vf(rvu, pcifunc)) { @@ -4188,7 +4186,7 @@ int npc_cn20k_dft_rules_idx_get(struct rvu *rvu, u16 = pcifunc, u16 *bcast, return -EINVAL; =20 idx =3D NPC_DFT_RULE_ID_MK(pcifunc, NPC_DFT_RULE_PROMISC_ID); - val =3D xa_load(&npc_priv.xa_pf2dfl_rmap, idx); + val =3D xa_load(&npc_priv->xa_pf2dfl_rmap, idx); if (!val) { pr_debug("%s: Failed to find %s index for pcifunc=3D%#x\n", __func__, @@ -4207,7 +4205,7 @@ int npc_cn20k_dft_rules_idx_get(struct rvu *rvu, u16 = pcifunc, u16 *bcast, return -EINVAL; =20 idx =3D NPC_DFT_RULE_ID_MK(pcifunc, NPC_DFT_RULE_UCAST_ID); - val =3D xa_load(&npc_priv.xa_pf2dfl_rmap, idx); + val =3D xa_load(&npc_priv->xa_pf2dfl_rmap, idx); if (!val) { pr_debug("%s: Failed to find %s index for pcifunc=3D%#x\n", __func__, @@ -4227,7 +4225,7 @@ int npc_cn20k_dft_rules_idx_get(struct rvu *rvu, u16 = pcifunc, u16 *bcast, continue; =20 idx =3D NPC_DFT_RULE_ID_MK(pcifunc, i); - val =3D xa_load(&npc_priv.xa_pf2dfl_rmap, idx); + val =3D xa_load(&npc_priv->xa_pf2dfl_rmap, idx); if (!val) { pr_debug("%s: Failed to find %s index for pcifunc=3D%#x\n", __func__, @@ -4251,8 +4249,8 @@ int rvu_mbox_handler_npc_get_pfl_info(struct rvu *rvu= , struct msg_req *req, return -EOPNOTSUPP; } =20 - rsp->kw_type =3D npc_priv.kw; - rsp->x4_slots =3D npc_priv.bank_depth; + rsp->kw_type =3D npc_priv->kw; + rsp->x4_slots =3D npc_priv->bank_depth; return 0; } =20 @@ -4342,7 +4340,7 @@ void npc_cn20k_dft_rules_free(struct rvu *rvu, u16 pc= ifunc) int blkaddr, rc, i; void *map; =20 - if (!npc_priv.init_done) + if (!npc_priv) return; =20 if (!npc_is_cgx_or_lbk(rvu, pcifunc)) { @@ -4360,7 +4358,7 @@ void npc_cn20k_dft_rules_free(struct rvu *rvu, u16 pc= ifunc) /* LBK */ if (is_lbk_vf(rvu, pcifunc)) { index =3D NPC_DFT_RULE_ID_MK(pcifunc, NPC_DFT_RULE_PROMISC_ID); - map =3D xa_erase(&npc_priv.xa_pf2dfl_rmap, index); + map =3D xa_erase(&npc_priv->xa_pf2dfl_rmap, index); if (!map) dev_dbg(rvu->dev, "%s: Err from delete %s mcam idx from xarray (pcifunc=3D%#x\n", @@ -4374,7 +4372,7 @@ void npc_cn20k_dft_rules_free(struct rvu *rvu, u16 pc= ifunc) /* VF */ if (is_vf(pcifunc)) { index =3D NPC_DFT_RULE_ID_MK(pcifunc, NPC_DFT_RULE_UCAST_ID); - map =3D xa_erase(&npc_priv.xa_pf2dfl_rmap, index); + map =3D xa_erase(&npc_priv->xa_pf2dfl_rmap, index); if (!map) dev_dbg(rvu->dev, "%s: Err from delete %s mcam idx from xarray (pcifunc=3D%#x\n", @@ -4388,7 +4386,7 @@ void npc_cn20k_dft_rules_free(struct rvu *rvu, u16 pc= ifunc) /* PF */ for (i =3D NPC_DFT_RULE_START_ID; i < NPC_DFT_RULE_MAX_ID; i++) { index =3D NPC_DFT_RULE_ID_MK(pcifunc, i); - map =3D xa_erase(&npc_priv.xa_pf2dfl_rmap, index); + map =3D xa_erase(&npc_priv->xa_pf2dfl_rmap, index); if (!map) dev_dbg(rvu->dev, "%s: Err from delete %s mcam idx from xarray (pcifunc=3D%#x\n", @@ -4448,7 +4446,7 @@ int npc_cn20k_dft_rules_alloc(struct rvu *rvu, u16 pc= ifunc) struct msg_rsp free_rsp; u16 b, m, p, u; =20 - if (!npc_priv.init_done) + if (!npc_priv) return 0; =20 if (!npc_is_cgx_or_lbk(rvu, pcifunc)) { @@ -4471,7 +4469,7 @@ int npc_cn20k_dft_rules_alloc(struct rvu *rvu, u16 pc= ifunc) } =20 /* Set ref index as lowest priority index */ - eidx =3D 2 * npc_priv.bank_depth - 1; + eidx =3D 2 * npc_priv->bank_depth - 1; =20 /* Install only UCAST for VF */ cnt =3D is_vf(pcifunc) ? 1 : ARRAY_SIZE(mcam_idx); @@ -4500,9 +4498,9 @@ int npc_cn20k_dft_rules_alloc(struct rvu *rvu, u16 pc= ifunc) pfvf =3D rvu_get_pfvf(rvu, pcifunc); pfvf->hw_prio =3D NPC_DFT_RULE_PRIO; =20 - if (npc_priv.kw =3D=3D NPC_MCAM_KEY_X4) { + if (npc_priv->kw =3D=3D NPC_MCAM_KEY_X4) { req.kw_type =3D NPC_MCAM_KEY_X4; - req.ref_entry =3D eidx & (npc_priv.bank_depth - 1); + req.ref_entry =3D eidx & (npc_priv->bank_depth - 1); } else { req.kw_type =3D NPC_MCAM_KEY_X2; req.ref_entry =3D eidx; @@ -4543,9 +4541,9 @@ int npc_cn20k_dft_rules_alloc(struct rvu *rvu, u16 pc= ifunc) req.hdr.pcifunc =3D pcifunc; req.ref_prio =3D NPC_MCAM_LOWER_PRIO; =20 - if (npc_priv.kw =3D=3D NPC_MCAM_KEY_X4) { + if (npc_priv->kw =3D=3D NPC_MCAM_KEY_X4) { req.kw_type =3D NPC_MCAM_KEY_X4; - req.ref_entry =3D eidx & (npc_priv.bank_depth - 1); + req.ref_entry =3D eidx & (npc_priv->bank_depth - 1); } else { req.kw_type =3D NPC_MCAM_KEY_X2; req.ref_entry =3D eidx; @@ -4569,7 +4567,7 @@ int npc_cn20k_dft_rules_alloc(struct rvu *rvu, u16 pc= ifunc) /* LBK */ if (is_lbk_vf(rvu, pcifunc)) { index =3D NPC_DFT_RULE_ID_MK(pcifunc, NPC_DFT_RULE_PROMISC_ID); - ret =3D xa_insert(&npc_priv.xa_pf2dfl_rmap, index, + ret =3D xa_insert(&npc_priv->xa_pf2dfl_rmap, index, xa_mk_value(mcam_idx[0]), GFP_KERNEL); if (ret) { dev_err(rvu->dev, @@ -4586,7 +4584,7 @@ int npc_cn20k_dft_rules_alloc(struct rvu *rvu, u16 pc= ifunc) /* VF */ if (is_vf(pcifunc)) { index =3D NPC_DFT_RULE_ID_MK(pcifunc, NPC_DFT_RULE_UCAST_ID); - ret =3D xa_insert(&npc_priv.xa_pf2dfl_rmap, index, + ret =3D xa_insert(&npc_priv->xa_pf2dfl_rmap, index, xa_mk_value(mcam_idx[0]), GFP_KERNEL); if (ret) { dev_err(rvu->dev, @@ -4604,7 +4602,7 @@ int npc_cn20k_dft_rules_alloc(struct rvu *rvu, u16 pc= ifunc) for (i =3D NPC_DFT_RULE_START_ID, k =3D 0; i < NPC_DFT_RULE_MAX_ID && k < cnt; i++, k++) { index =3D NPC_DFT_RULE_ID_MK(pcifunc, i); - ret =3D xa_insert(&npc_priv.xa_pf2dfl_rmap, index, + ret =3D xa_insert(&npc_priv->xa_pf2dfl_rmap, index, xa_mk_value(mcam_idx[k]), GFP_KERNEL); if (ret) { dev_err(rvu->dev, @@ -4613,7 +4611,7 @@ int npc_cn20k_dft_rules_alloc(struct rvu *rvu, u16 pc= ifunc) pcifunc); for (int p =3D NPC_DFT_RULE_START_ID; p < i; p++) { index =3D NPC_DFT_RULE_ID_MK(pcifunc, p); - xa_erase(&npc_priv.xa_pf2dfl_rmap, index); + xa_erase(&npc_priv->xa_pf2dfl_rmap, index); } goto err; } @@ -4687,71 +4685,79 @@ static int npc_priv_init(struct rvu *rvu) return -EINVAL; } =20 - npc_priv.num_subbanks =3D num_subbanks; - npc_priv.bank_depth =3D bank_depth; - npc_priv.subbank_depth =3D subbank_depth; + npc_priv =3D kcalloc(1, sizeof(*npc_priv), GFP_KERNEL); + if (!npc_priv) + return -ENOMEM; + + npc_priv->num_banks =3D num_banks; + npc_priv->num_subbanks =3D num_subbanks; + npc_priv->bank_depth =3D bank_depth; + npc_priv->subbank_depth =3D subbank_depth; =20 /* Get kex configured key size */ cfg =3D rvu_read64(rvu, blkaddr, NPC_AF_INTFX_KEX_CFG(0)); - npc_priv.kw =3D FIELD_GET(GENMASK_ULL(34, 32), cfg); + npc_priv->kw =3D FIELD_GET(GENMASK_ULL(34, 32), cfg); =20 dev_info(rvu->dev, "banks=3D%u depth=3D%u, subbanks=3D%u depth=3D%u, key type=3D%s\n", num_banks, bank_depth, num_subbanks, subbank_depth, - npc_kw_name[npc_priv.kw]); + npc_kw_name[npc_priv->kw]); =20 - npc_priv.sb =3D kcalloc(num_subbanks, sizeof(struct npc_subbank), - GFP_KERNEL); - if (!npc_priv.sb) - return -ENOMEM; + npc_priv->sb =3D kcalloc(num_subbanks, sizeof(struct npc_subbank), + GFP_KERNEL); + if (!npc_priv->sb) + goto fail1; =20 - xa_init_flags(&npc_priv.xa_sb_used, XA_FLAGS_ALLOC); - xa_init_flags(&npc_priv.xa_sb_free, XA_FLAGS_ALLOC); - xa_init_flags(&npc_priv.xa_idx2pf_map, XA_FLAGS_ALLOC); - xa_init_flags(&npc_priv.xa_pf_map, XA_FLAGS_ALLOC); - xa_init_flags(&npc_priv.xa_pf2dfl_rmap, XA_FLAGS_ALLOC); - xa_init_flags(&npc_priv.xa_idx2vidx_map, XA_FLAGS_ALLOC); - xa_init_flags(&npc_priv.xa_vidx2idx_map, XA_FLAGS_ALLOC); + xa_init_flags(&npc_priv->xa_sb_used, XA_FLAGS_ALLOC); + xa_init_flags(&npc_priv->xa_sb_free, XA_FLAGS_ALLOC); + xa_init_flags(&npc_priv->xa_idx2pf_map, XA_FLAGS_ALLOC); + xa_init_flags(&npc_priv->xa_pf_map, XA_FLAGS_ALLOC); + xa_init_flags(&npc_priv->xa_pf2dfl_rmap, XA_FLAGS_ALLOC); + xa_init_flags(&npc_priv->xa_idx2vidx_map, XA_FLAGS_ALLOC); + xa_init_flags(&npc_priv->xa_vidx2idx_map, XA_FLAGS_ALLOC); =20 if (npc_create_srch_order(num_subbanks)) - goto fail1; + goto fail2; =20 npc_populate_restricted_idxs(num_subbanks); =20 /* Initialize subbanks */ - for (i =3D 0, sb =3D npc_priv.sb; i < num_subbanks; i++, sb++) + for (i =3D 0, sb =3D npc_priv->sb; i < num_subbanks; i++, sb++) npc_subbank_init(rvu, sb, i); =20 /* Get number of pcifuncs in the system */ - npc_priv.pf_cnt =3D npc_pcifunc_map_create(rvu); - npc_priv.xa_pf2idx_map =3D kcalloc(npc_priv.pf_cnt, - sizeof(struct xarray), - GFP_KERNEL); - if (!npc_priv.xa_pf2idx_map) - goto fail2; + npc_priv->pf_cnt =3D npc_pcifunc_map_create(rvu); + npc_priv->xa_pf2idx_map =3D kcalloc(npc_priv->pf_cnt, + sizeof(struct xarray), + GFP_KERNEL); + if (!npc_priv->xa_pf2idx_map) + goto fail3; =20 - for (i =3D 0; i < npc_priv.pf_cnt; i++) - xa_init_flags(&npc_priv.xa_pf2idx_map[i], XA_FLAGS_ALLOC); + for (i =3D 0; i < npc_priv->pf_cnt; i++) + xa_init_flags(&npc_priv->xa_pf2idx_map[i], XA_FLAGS_ALLOC); =20 - INIT_LIST_HEAD(&npc_priv.defrag_lh); - mutex_init(&npc_priv.lock); + INIT_LIST_HEAD(&npc_priv->defrag_lh); + mutex_init(&npc_priv->lock); =20 return 0; =20 -fail2: +fail3: kfree(subbank_srch_order); subbank_srch_order =3D NULL; =20 +fail2: + xa_destroy(&npc_priv->xa_sb_used); + xa_destroy(&npc_priv->xa_sb_free); + xa_destroy(&npc_priv->xa_idx2pf_map); + xa_destroy(&npc_priv->xa_pf_map); + xa_destroy(&npc_priv->xa_pf2dfl_rmap); + xa_destroy(&npc_priv->xa_idx2vidx_map); + xa_destroy(&npc_priv->xa_vidx2idx_map); + kfree(npc_priv->sb); + npc_priv->sb =3D NULL; fail1: - xa_destroy(&npc_priv.xa_sb_used); - xa_destroy(&npc_priv.xa_sb_free); - xa_destroy(&npc_priv.xa_idx2pf_map); - xa_destroy(&npc_priv.xa_pf_map); - xa_destroy(&npc_priv.xa_pf2dfl_rmap); - xa_destroy(&npc_priv.xa_idx2vidx_map); - xa_destroy(&npc_priv.xa_vidx2idx_map); - kfree(npc_priv.sb); - npc_priv.sb =3D NULL; + kfree(npc_priv); + npc_priv =3D NULL; return -ENOMEM; } =20 @@ -4759,25 +4765,31 @@ void npc_cn20k_deinit(struct rvu *rvu) { int i; =20 - xa_destroy(&npc_priv.xa_sb_used); - xa_destroy(&npc_priv.xa_sb_free); - xa_destroy(&npc_priv.xa_idx2pf_map); - xa_destroy(&npc_priv.xa_pf_map); - xa_destroy(&npc_priv.xa_pf2dfl_rmap); - xa_destroy(&npc_priv.xa_idx2vidx_map); - xa_destroy(&npc_priv.xa_vidx2idx_map); + if (!npc_priv) + return; =20 - for (i =3D 0; i < npc_priv.pf_cnt; i++) - xa_destroy(&npc_priv.xa_pf2idx_map[i]); + xa_destroy(&npc_priv->xa_sb_used); + xa_destroy(&npc_priv->xa_sb_free); + xa_destroy(&npc_priv->xa_idx2pf_map); + xa_destroy(&npc_priv->xa_pf_map); + xa_destroy(&npc_priv->xa_pf2dfl_rmap); + xa_destroy(&npc_priv->xa_idx2vidx_map); + xa_destroy(&npc_priv->xa_vidx2idx_map); =20 - kfree(npc_priv.xa_pf2idx_map); + for (i =3D 0; i < npc_priv->pf_cnt; i++) + xa_destroy(&npc_priv->xa_pf2idx_map[i]); + + kfree(npc_priv->xa_pf2idx_map); /* No need to destroy mutex lock as it is * part of subbank structure */ - kfree(npc_priv.sb); + kfree(npc_priv->sb); kfree(subbank_srch_order); - bitmap_clear(npc_priv.en_map, 0, MAX_NUM_BANKS * MAX_NUM_SUB_BANKS * + bitmap_clear(npc_priv->en_map, 0, MAX_NUM_BANKS * MAX_NUM_SUB_BANKS * MAX_SUBBANK_DEPTH); + npc_defrag_list_clear(); + kfree(npc_priv); + npc_priv =3D NULL; } =20 static int npc_setup_mcam_section(struct rvu *rvu, int key_type) @@ -4790,7 +4802,7 @@ static int npc_setup_mcam_section(struct rvu *rvu, in= t key_type) return -ENODEV; } =20 - for (sec =3D 0; sec < npc_priv.num_subbanks; sec++) + for (sec =3D 0; sec < npc_priv->num_subbanks; sec++) rvu_write64(rvu, blkaddr, NPC_AF_MCAM_SECTIONX_CFG_EXT(sec), key_type); =20 @@ -4812,10 +4824,12 @@ int npc_cn20k_init(struct rvu *rvu) if (err) { dev_err(rvu->dev, "%s: mcam section configuration failure\n", __func__); - return err; + goto fail; } =20 - npc_priv.init_done =3D true; - return 0; + +fail: + npc_cn20k_deinit(rvu); + return err; } diff --git a/drivers/net/ethernet/marvell/octeontx2/af/cn20k/npc.h b/driver= s/net/ethernet/marvell/octeontx2/af/cn20k/npc.h index 8bf857317e49..b759aa022a48 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/cn20k/npc.h +++ b/drivers/net/ethernet/marvell/octeontx2/af/cn20k/npc.h @@ -195,7 +195,7 @@ struct npc_defrag_show_node { */ struct npc_priv_t { int bank_depth; - const int num_banks; + int num_banks; int num_subbanks; int subbank_depth; DECLARE_BITMAP(en_map, MAX_NUM_BANKS * @@ -214,7 +214,6 @@ struct npc_priv_t { struct list_head defrag_lh; struct mutex lock; /* protect defrag nodes */ int pf_cnt; - bool init_done; }; =20 struct npc_kpm_action0 { --=20 2.43.0