xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ethernet: use core min/max MTU checking

Browse Source 
et131x: min_mtu 64, max_mtu 9216

altera_tse: min_mtu 64, max_mtu 1500

amd8111e: min_mtu 60, max_mtu 9000

bnad: min_mtu 46, max_mtu 9000

macb: min_mtu 68, max_mtu 1500 or 10240 depending on hardware capability

xgmac: min_mtu 46, max_mtu 9000

cxgb2: min_mtu 68, max_mtu 9582 (pm3393) or 9600 (vsc7326)

enic: min_mtu 68, max_mtu 9000

gianfar: min_mtu 50, max_mu 9586

hns_enet: min_mtu 68, max_mtu 9578 (v1) or 9706 (v2)

ksz884x: min_mtu 60, max_mtu 1894

myri10ge: min_mtu 68, max_mtu 9000

natsemi: min_mtu 64, max_mtu 2024

nfp: min_mtu 68, max_mtu hardware-specific

forcedeth: min_mtu 64, max_mtu 1500 or 9100, depending on hardware

pch_gbe: min_mtu 46, max_mtu 10300

pasemi_mac: min_mtu 64, max_mtu 9000

qcaspi: min_mtu 46, max_mtu 1500
- remove qcaspi_netdev_change_mtu as it is now redundant

rocker: min_mtu 68, max_mtu 9000

sxgbe: min_mtu 68, max_mtu 9000

stmmac: min_mtu 46, max_mtu depends on hardware

tehuti: min_mtu 60, max_mtu 16384
- driver had no max mtu checking, but product docs say 16k jumbo packets
  are supported by the hardware

netcp: min_mtu 68, max_mtu 9486
- remove netcp_ndo_change_mtu as it is now redundant

via-velocity: min_mtu 64, max_mtu 9000

octeon: min_mtu 46, max_mtu 65370

CC: netdev@vger.kernel.org
CC: Mark Einon <mark.einon@gmail.com>
CC: Vince Bridgers <vbridger@opensource.altera.com>
CC: Rasesh Mody <rasesh.mody@qlogic.com>
CC: Nicolas Ferre <nicolas.ferre@atmel.com>
CC: Santosh Raspatur <santosh@chelsio.com>
CC: Hariprasad S <hariprasad@chelsio.com>
CC:  Christian Benvenuti <benve@cisco.com>
CC: Sujith Sankar <ssujith@cisco.com>
CC: Govindarajulu Varadarajan <_govind@gmx.com>
CC: Neel Patel <neepatel@cisco.com>
CC: Claudiu Manoil <claudiu.manoil@freescale.com>
CC: Yisen Zhuang <yisen.zhuang@huawei.com>
CC: Salil Mehta <salil.mehta@huawei.com>
CC: Hyong-Youb Kim <hykim@myri.com>
CC: Jakub Kicinski <jakub.kicinski@netronome.com>
CC: Olof Johansson <olof@lixom.net>
CC: Jiri Pirko <jiri@resnulli.us>
CC: Byungho An <bh74.an@samsung.com>
CC: Girish K S <ks.giri@samsung.com>
CC: Vipul Pandya <vipul.pandya@samsung.com>
CC: Giuseppe Cavallaro <peppe.cavallaro@st.com>
CC: Alexandre Torgue <alexandre.torgue@st.com>
CC: Andy Gospodarek <andy@greyhouse.net>
CC: Wingman Kwok <w-kwok2@ti.com>
CC: Murali Karicheri <m-karicheri2@ti.com>
CC: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jarod Wilson
2016-10-17 15:54:17 -04:00
committed by David S. Miller
parent 1281a2c7b8
commit 44770e1180
33 changed files with 169 additions and 222 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/net/ethernet/chelsio/cxgb/common.h
View File

@@ -85,6 +85,11 @@ struct t1_rx_mode {
#define SPEED_INVALID 0xffff
#define DUPLEX_INVALID 0xff
/* Max frame size PM3393 can handle. Includes Ethernet header and CRC. */
#define PM3393_MAX_FRAME_SIZE 9600
#define VSC7326_MAX_MTU 9600
enum {
CHBT_BOARD_N110,
CHBT_BOARD_N210,

18
drivers/net/ethernet/chelsio/cxgb/cxgb2.c
View File

@@ -825,8 +825,6 @@ static int t1_change_mtu(struct net_device *dev, int new_mtu)
if (!mac->ops->set_mtu)
return -EOPNOTSUPP;
if (new_mtu < 68)
return -EINVAL;
if ((ret = mac->ops->set_mtu(mac, new_mtu)))
return ret;
dev->mtu = new_mtu;
@@ -1101,6 +1099,22 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
netif_napi_add(netdev, &adapter->napi, t1_poll, 64);
netdev->ethtool_ops = &t1_ethtool_ops;
switch (bi->board) {
case CHBT_BOARD_CHT110:
case CHBT_BOARD_N110:
case CHBT_BOARD_N210:
case CHBT_BOARD_CHT210:
netdev->max_mtu = PM3393_MAX_FRAME_SIZE -
(ETH_HLEN + ETH_FCS_LEN);
break;
case CHBT_BOARD_CHN204:
netdev->max_mtu = VSC7326_MAX_MTU;
break;
default:
netdev->max_mtu = ETH_DATA_LEN;
break;
}
}
if (t1_init_sw_modules(adapter, bi) < 0) {

8
drivers/net/ethernet/chelsio/cxgb/pm3393.c
View File

@@ -47,9 +47,6 @@
#define OFFSET(REG_ADDR) ((REG_ADDR) << 2)
/* Max frame size PM3393 can handle. Includes Ethernet header and CRC. */
#define MAX_FRAME_SIZE 9600
#define IPG 12
#define TXXG_CONF1_VAL ((IPG << SUNI1x10GEXP_BITOFF_TXXG_IPGT) | \
SUNI1x10GEXP_BITMSK_TXXG_32BIT_ALIGN | SUNI1x10GEXP_BITMSK_TXXG_CRCEN | \
@@ -331,10 +328,7 @@ static int pm3393_set_mtu(struct cmac *cmac, int mtu)
{
int enabled = cmac->instance->enabled;
/* MAX_FRAME_SIZE includes header + FCS, mtu doesn't */
mtu += 14 + 4;
if (mtu > MAX_FRAME_SIZE)
return -EINVAL;
mtu += ETH_HLEN + ETH_FCS_LEN;
/* Disable Rx/Tx MAC before configuring it. */
if (enabled)

5
drivers/net/ethernet/chelsio/cxgb/vsc7326.c
View File

@@ -11,8 +11,6 @@
/* 30 minutes for full statistics update */
#define MAJOR_UPDATE_TICKS (1800 / STATS_TICK_SECS)
#define MAX_MTU 9600
/* The egress WM value 0x01a01fff should be used only when the
* interface is down (MAC port disabled). This is a workaround
* for disabling the T2/MAC flow-control. When the interface is
@@ -452,9 +450,6 @@ static int mac_set_mtu(struct cmac *mac, int mtu)
{
int port = mac->instance->index;
if (mtu > MAX_MTU)
return -EINVAL;
/* max_len includes header and FCS */
vsc_write(mac->adapter, REG_MAX_LEN(port), mtu + 14 + 4);
return 0;