diff options
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c | 52 |
1 files changed, 47 insertions, 5 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c index 6b88143af5ea..538c976200f7 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c @@ -926,6 +926,13 @@ static int bnxt_set_channels(struct net_device *dev, return rc; } + if (bnxt_get_nr_rss_ctxs(bp, req_rx_rings) != + bnxt_get_nr_rss_ctxs(bp, bp->rx_nr_rings) && + (dev->priv_flags & IFF_RXFH_CONFIGURED)) { + netdev_warn(dev, "RSS table size change required, RSS table entries must be default to proceed\n"); + return -EINVAL; + } + if (netif_running(dev)) { if (BNXT_PF(bp)) { /* TODO CHIMP_FW: Send message to all VF's @@ -1273,8 +1280,12 @@ static int bnxt_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd) return rc; } -static u32 bnxt_get_rxfh_indir_size(struct net_device *dev) +u32 bnxt_get_rxfh_indir_size(struct net_device *dev) { + struct bnxt *bp = netdev_priv(dev); + + if (bp->flags & BNXT_FLAG_CHIP_P5) + return ALIGN(bp->rx_nr_rings, BNXT_RSS_TABLE_ENTRIES_P5); return HW_HASH_INDEX_SIZE; } @@ -1288,7 +1299,7 @@ static int bnxt_get_rxfh(struct net_device *dev, u32 *indir, u8 *key, { struct bnxt *bp = netdev_priv(dev); struct bnxt_vnic_info *vnic; - int i = 0; + u32 i, tbl_size; if (hfunc) *hfunc = ETH_RSS_HASH_TOP; @@ -1297,9 +1308,10 @@ static int bnxt_get_rxfh(struct net_device *dev, u32 *indir, u8 *key, return 0; vnic = &bp->vnic_info[0]; - if (indir && vnic->rss_table) { - for (i = 0; i < HW_HASH_INDEX_SIZE; i++) - indir[i] = le16_to_cpu(vnic->rss_table[i]); + if (indir && bp->rss_indir_tbl) { + tbl_size = bnxt_get_rxfh_indir_size(dev); + for (i = 0; i < tbl_size; i++) + indir[i] = bp->rss_indir_tbl[i]; } if (key && vnic->rss_hash_key) @@ -1308,6 +1320,35 @@ static int bnxt_get_rxfh(struct net_device *dev, u32 *indir, u8 *key, return 0; } +static int bnxt_set_rxfh(struct net_device *dev, const u32 *indir, + const u8 *key, const u8 hfunc) +{ + struct bnxt *bp = netdev_priv(dev); + int rc = 0; + + if (hfunc && hfunc != ETH_RSS_HASH_TOP) + return -EOPNOTSUPP; + + if (key) + return -EOPNOTSUPP; + + if (indir) { + u32 i, pad, tbl_size = bnxt_get_rxfh_indir_size(dev); + + for (i = 0; i < tbl_size; i++) + bp->rss_indir_tbl[i] = indir[i]; + pad = bp->rss_indir_tbl_entries - tbl_size; + if (pad) + memset(&bp->rss_indir_tbl[i], 0, pad * sizeof(u16)); + } + + if (netif_running(bp->dev)) { + bnxt_close_nic(bp, false, false); + rc = bnxt_open_nic(bp, false, false); + } + return rc; +} + static void bnxt_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) { @@ -3614,6 +3655,7 @@ const struct ethtool_ops bnxt_ethtool_ops = { .get_rxfh_indir_size = bnxt_get_rxfh_indir_size, .get_rxfh_key_size = bnxt_get_rxfh_key_size, .get_rxfh = bnxt_get_rxfh, + .set_rxfh = bnxt_set_rxfh, .flash_device = bnxt_flash_device, .get_eeprom_len = bnxt_get_eeprom_len, .get_eeprom = bnxt_get_eeprom, |