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author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-06-12 14:27:40 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-06-12 14:27:40 -0700 |
commit | f9da455b93f6ba076935b4ef4589f61e529ae046 (patch) | |
tree | 3c4e69ce1ba1d6bf65915b97a76ca2172105b278 /drivers/net/ethernet/arc/emac_main.c | |
parent | 0e04c641b199435f3779454055f6a7de258ecdfc (diff) | |
parent | e5eca6d41f53db48edd8cf88a3f59d2c30227f8e (diff) | |
download | linux-stable-f9da455b93f6ba076935b4ef4589f61e529ae046.tar.gz linux-stable-f9da455b93f6ba076935b4ef4589f61e529ae046.tar.bz2 linux-stable-f9da455b93f6ba076935b4ef4589f61e529ae046.zip |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking updates from David Miller:
1) Seccomp BPF filters can now be JIT'd, from Alexei Starovoitov.
2) Multiqueue support in xen-netback and xen-netfront, from Andrew J
Benniston.
3) Allow tweaking of aggregation settings in cdc_ncm driver, from Bjørn
Mork.
4) BPF now has a "random" opcode, from Chema Gonzalez.
5) Add more BPF documentation and improve test framework, from Daniel
Borkmann.
6) Support TCP fastopen over ipv6, from Daniel Lee.
7) Add software TSO helper functions and use them to support software
TSO in mvneta and mv643xx_eth drivers. From Ezequiel Garcia.
8) Support software TSO in fec driver too, from Nimrod Andy.
9) Add Broadcom SYSTEMPORT driver, from Florian Fainelli.
10) Handle broadcasts more gracefully over macvlan when there are large
numbers of interfaces configured, from Herbert Xu.
11) Allow more control over fwmark used for non-socket based responses,
from Lorenzo Colitti.
12) Do TCP congestion window limiting based upon measurements, from Neal
Cardwell.
13) Support busy polling in SCTP, from Neal Horman.
14) Allow RSS key to be configured via ethtool, from Venkata Duvvuru.
15) Bridge promisc mode handling improvements from Vlad Yasevich.
16) Don't use inetpeer entries to implement ID generation any more, it
performs poorly, from Eric Dumazet.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1522 commits)
rtnetlink: fix userspace API breakage for iproute2 < v3.9.0
tcp: fixing TLP's FIN recovery
net: fec: Add software TSO support
net: fec: Add Scatter/gather support
net: fec: Increase buffer descriptor entry number
net: fec: Factorize feature setting
net: fec: Enable IP header hardware checksum
net: fec: Factorize the .xmit transmit function
bridge: fix compile error when compiling without IPv6 support
bridge: fix smatch warning / potential null pointer dereference
via-rhine: fix full-duplex with autoneg disable
bnx2x: Enlarge the dorq threshold for VFs
bnx2x: Check for UNDI in uncommon branch
bnx2x: Fix 1G-baseT link
bnx2x: Fix link for KR with swapped polarity lane
sctp: Fix sk_ack_backlog wrap-around problem
net/core: Add VF link state control policy
net/fsl: xgmac_mdio is dependent on OF_MDIO
net/fsl: Make xgmac_mdio read error message useful
net_sched: drr: warn when qdisc is not work conserving
...
Diffstat (limited to 'drivers/net/ethernet/arc/emac_main.c')
-rw-r--r-- | drivers/net/ethernet/arc/emac_main.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/drivers/net/ethernet/arc/emac_main.c b/drivers/net/ethernet/arc/emac_main.c index d647a7d115ac..18e2faccebb0 100644 --- a/drivers/net/ethernet/arc/emac_main.c +++ b/drivers/net/ethernet/arc/emac_main.c @@ -13,6 +13,7 @@ * Vineet Gupta */ +#include <linux/crc32.h> #include <linux/etherdevice.h> #include <linux/interrupt.h> #include <linux/io.h> @@ -362,6 +363,15 @@ static irqreturn_t arc_emac_intr(int irq, void *dev_instance) return IRQ_HANDLED; } +#ifdef CONFIG_NET_POLL_CONTROLLER +static void arc_emac_poll_controller(struct net_device *dev) +{ + disable_irq(dev->irq); + arc_emac_intr(dev->irq, dev); + enable_irq(dev->irq); +} +#endif + /** * arc_emac_open - Open the network device. * @ndev: Pointer to the network device. @@ -451,6 +461,41 @@ static int arc_emac_open(struct net_device *ndev) } /** + * arc_emac_set_rx_mode - Change the receive filtering mode. + * @ndev: Pointer to the network device. + * + * This function enables/disables promiscuous or all-multicast mode + * and updates the multicast filtering list of the network device. + */ +static void arc_emac_set_rx_mode(struct net_device *ndev) +{ + struct arc_emac_priv *priv = netdev_priv(ndev); + + if (ndev->flags & IFF_PROMISC) { + arc_reg_or(priv, R_CTRL, PROM_MASK); + } else { + arc_reg_clr(priv, R_CTRL, PROM_MASK); + + if (ndev->flags & IFF_ALLMULTI) { + arc_reg_set(priv, R_LAFL, ~0); + arc_reg_set(priv, R_LAFH, ~0); + } else { + struct netdev_hw_addr *ha; + unsigned int filter[2] = { 0, 0 }; + int bit; + + netdev_for_each_mc_addr(ha, ndev) { + bit = ether_crc_le(ETH_ALEN, ha->addr) >> 26; + filter[bit >> 5] |= 1 << (bit & 31); + } + + arc_reg_set(priv, R_LAFL, filter[0]); + arc_reg_set(priv, R_LAFH, filter[1]); + } + } +} + +/** * arc_emac_stop - Close the network device. * @ndev: Pointer to the network device. * @@ -620,6 +665,10 @@ static const struct net_device_ops arc_emac_netdev_ops = { .ndo_start_xmit = arc_emac_tx, .ndo_set_mac_address = arc_emac_set_address, .ndo_get_stats = arc_emac_stats, + .ndo_set_rx_mode = arc_emac_set_rx_mode, +#ifdef CONFIG_NET_POLL_CONTROLLER + .ndo_poll_controller = arc_emac_poll_controller, +#endif }; static int arc_emac_probe(struct platform_device *pdev) |