STRUCT EFX_PTP_RXFILTER(9)

💖 struct efx_ptp_rxfilter(9) 💖

okay so welcome to the Kernel API Manual, bestie. this page is serving struct efx_ptp_rxfilter(9) — yes, the PTP packet filter struct — and the vibes are immaculate. 💅✨

💖 NAME 💖

struct efx_ptp_rxfilter — Filter for PTP packets. that’s the whole name, and honestly it ate. 🎀

✨ SYNOPSIS ✨

okay so the struct is literally this, no cap — keep the fields exactly as they are:

struct efx_ptp_rxfilter {
    struct list_head list;
    __be16 ether_type;
    __be16 loc_port;
    __be32 loc_host[4];
    unsigned long expiry;
    int handle;
};

🎀 Members 🎀

• list — Node of the list where the filter is added. literally the link in the chain, bestie. 🔗
• ether_type — Network protocol of the filter (ETHER_P_IP / ETHER_P_IPV6). pick your protocol, periodt. 🌐
• loc_port — UDP port of the filter (PTP_EVENT_PORT / PTP_GENERAL_PORT). the port is giving very specific. 🚪
• loc_host — IPv4/v6 address of the filter. address check, slay. 📍
• expiry — time when the filter expires, in jiffies. not wall-clock, jiffies — important, iykyk. ⏳
• handle — Handle ID for the MCDI filters table. that’s the ID, no cap. 🪪

🌈 SEE ALSO 🌈

bestie, go peek at the Kernel file ./drivers/net/ethernet/sfc/ptp.c plus these very iconic structs: struct efx_ptp_match(9), struct efx_ptp_event_rx(9), struct efx_ptp_timeset(9), and struct efx_ptp_data(9). iykyk 🦋💜

source/version/date check: ./drivers/net/ethernet/sfc · October 2026 · page struct efx_ptp_rxfilter(9). byeee, love u, stay slay 💅🫶