Cross-merge networking fixes after downstream PR (net-6.19-rc8).
No adjacent changes, conflicts:
drivers/net/ethernet/spacemit/k1_emac.c
2c84959167d64 ("net: spacemit: Check for netif_carrier_ok() in emac_stats_update()")
f66086798f91f ("net: spacemit: Remove broken flow control support")
https://lore.kernel.org/aXjAqZA3iEWD_DGM@sirena.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>