[PATCH v2 1/2] net: ethtool: Support setting ntuple rule count
From: Sunil Goutham <sgoutham@marvell.com>
Date: 2021-07-23 18:17:07
Subsystem:
networking [ethtool], networking [general], the rest · Maintainers:
Andrew Lunn, Jakub Kicinski, "David S. Miller", Eric Dumazet, Paolo Abeni, Linus Torvalds
Some NICs share resources like packet filters across multiple interfaces they support. From HW point of view it is possible to use all filters for a single interface. Currently ethtool doesn't support modifying filter count so that user can allocate more filters to a interface and less to others. This patch adds ETHTOOL_SRXCLSRLCNT ioctl command for modifying filter count. example command: ./ethtool -U eth0 rule-count 256 Signed-off-by: Sunil Goutham <sgoutham@marvell.com> --- include/uapi/linux/ethtool.h | 1 + net/ethtool/ioctl.c | 1 + 2 files changed, 2 insertions(+)
diff --git a/include/uapi/linux/ethtool.h b/include/uapi/linux/ethtool.h
index 67aa713..178f346 100644
--- a/include/uapi/linux/ethtool.h
+++ b/include/uapi/linux/ethtool.h@@ -1552,6 +1552,7 @@ enum ethtool_fec_config_bits { #define ETHTOOL_PHY_STUNABLE 0x0000004f /* Set PHY tunable configuration */ #define ETHTOOL_GFECPARAM 0x00000050 /* Get FEC settings */ #define ETHTOOL_SFECPARAM 0x00000051 /* Set FEC settings */ +#define ETHTOOL_SRXCLSRLCNT 0x00000052 /* Set RX class rule count */ /* compatibility with older code */ #define SPARC_ETH_GSET ETHTOOL_GSET
diff --git a/net/ethtool/ioctl.c b/net/ethtool/ioctl.c
index 6134b18..ca0f75e 100644
--- a/net/ethtool/ioctl.c
+++ b/net/ethtool/ioctl.c@@ -2863,6 +2863,7 @@ int dev_ethtool(struct net *net, struct ifreq *ifr) case ETHTOOL_SRXFH: case ETHTOOL_SRXCLSRLDEL: case ETHTOOL_SRXCLSRLINS: + case ETHTOOL_SRXCLSRLCNT: rc = ethtool_set_rxnfc(dev, ethcmd, useraddr); break; case ETHTOOL_FLASHDEV:
--
2.7.4