diff options
| author |   Iyappan Subramanian <isubramanian@apm.com> | 2016-12-01 16:41:40 -0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2016-12-03 15:46:50 -0500 |
| commit | 350b4e33b89378c5e5572a76c5e600999ad4d463 (patch) | |
| tree | 4b69bb8f1f215ddfd2ea4d04d3235df93dc279d9 /drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c | |
| parent | drivers: net: xgene: Add support for Jumbo frame (diff) | |
| download | linux-dev-350b4e33b89378c5e5572a76c5e600999ad4d463.tar.xz linux-dev-350b4e33b89378c5e5572a76c5e600999ad4d463.zip | |
drivers: net: xgene: Add change_mtu function
This patch implements ndo_change_mtu() callback function that
enables mtu change.
Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
Signed-off-by: Quan Nguyen <qnguyen@apm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c')
| -rw-r--r-- | drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c b/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c index 4109776c34a0..2a9761b95841 100644 --- a/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_xgmac.c @@ -250,6 +250,12 @@ static void xgene_xgmac_set_mss(struct xgene_enet_pdata *pdata, xgene_enet_wr_csr(pdata, XG_TSIF_MSS_REG0_ADDR + offset, data); } +static void xgene_xgmac_set_frame_size(struct xgene_enet_pdata *pdata, int size) +{ + xgene_enet_wr_mac(pdata, HSTMAXFRAME_LENGTH_ADDR, + ((((size + 2) >> 2) << 16) | size)); +} + static u32 xgene_enet_link_status(struct xgene_enet_pdata *pdata) { u32 data; @@ -474,6 +480,7 @@ const struct xgene_mac_ops xgene_xgmac_ops = { .rx_disable = xgene_xgmac_rx_disable, .tx_disable = xgene_xgmac_tx_disable, .set_mac_addr = xgene_xgmac_set_mac_addr, + .set_framesize = xgene_xgmac_set_frame_size, .set_mss = xgene_xgmac_set_mss, .link_state = xgene_enet_link_state }; |