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| author | Birger Koblitz <git@birger-koblitz.de> | 2022-01-18 14:20:40 +0100 |
|---|---|---|
| committer | Daniel Golle <daniel@makrotopia.org> | 2022-02-17 15:21:47 +0000 |
| commit | 32e5b5ee6b86956d7f97736615bb56c8a28cd841 (patch) | |
| tree | cbb519e8a79a834b080330e84a65c0e9b9ad1e6c /target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/rtl838x.c | |
| parent | 8557b458e204e9a290e7475a98c4293ba9ad4131 (diff) | |
| download | upstream-32e5b5ee6b86956d7f97736615bb56c8a28cd841.tar.gz upstream-32e5b5ee6b86956d7f97736615bb56c8a28cd841.tar.bz2 upstream-32e5b5ee6b86956d7f97736615bb56c8a28cd841.zip | |
realtek: Add Link Aggregation (aka trunking) support
This adds LAG support for all 4 SoC families, including support
ofr the use of different distribution algorithm for the load-
balancing between individual links.
Signed-off-by: Sebastian Gottschall <s.gottschall@dd-wrt.com>
Signed-off-by: Birger Koblitz <git@birger-koblitz.de>
Diffstat (limited to 'target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/rtl838x.c')
| -rw-r--r-- | target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/rtl838x.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/rtl838x.c b/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/rtl838x.c index cefae82573..85e8c85a7f 100644 --- a/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/rtl838x.c +++ b/target/linux/realtek/files-5.10/drivers/net/dsa/rtl83xx/rtl838x.c @@ -1609,6 +1609,13 @@ static void rtl838x_set_egr_filter(int port, enum egr_filter state) RTL838X_VLAN_PORT_EGR_FLTR + (((port / 29) << 2))); } +void rtl838x_set_distribution_algorithm(int group, int algoidx, u32 algomsk) +{ + algoidx &= 1; // RTL838X only supports 2 concurrent algorithms + sw_w32_mask(1 << (group % 8), algoidx << (group % 8), + RTL838X_TRK_HASH_IDX_CTRL + ((group >> 3) << 2)); + sw_w32(algomsk, RTL838X_TRK_HASH_CTRL + (algoidx << 2)); +} const struct rtl838x_reg rtl838x_reg = { .mask_port_reg_be = rtl838x_mask_port_reg, @@ -1687,6 +1694,7 @@ const struct rtl838x_reg rtl838x_reg = { .route_read = rtl838x_route_read, .route_write = rtl838x_route_write, .l3_setup = rtl838x_l3_setup, + .set_distribution_algorithm = rtl838x_set_distribution_algorithm, }; irqreturn_t rtl838x_switch_irq(int irq, void *dev_id) |