smallnest

0. Introduction

Notes about software RDMA interoperability to communicate with hosts which have RDMA capable network adapters.

1. Documentation for software RDMA

Looked for documentation about how to use software RDMA

1.1 Red Hat Enterprise Linux 8

smallnest

package main

import (
	"fmt"
	"strings"
	"time"
)

func handleEventError(tokenName string, line, pos int) error {
	err := fmt.Errorf("error at line %d, pos %d: %s", line, pos, tokenName)

smallnest

;; 作者: 一泽Eze
;; 名称：创意名片生成
;; 版本: 1.0
;; 模型: Claude-3.5-sonnet
;; 用途: 根据公司Logo生成灵活、创意的名片模板，准确反映品牌调性

;; 定义未实现的函数（占位符）
(define (分析 elements)
  ;; 实现分析逻辑
  '分析结果)

smallnest

#include <linux/bpf.h>
#include <linux/in.h>
#include <linux/if_ether.h>
#include <linux/ip.h>

#define SEC(NAME) __attribute__((section(NAME), used))

SEC("dropper_main")
int dropper(struct xdp_md *ctx) {
  int ipsize = 0;

smallnest

/*
 * xdp_manglepong.c - sample XDP program
 * Copyright (C) 2019 Matteo Croce <mcroce@redhat.com>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,

smallnest

#!/usr/bin/env python
#
# A script that runs the commands to perform Netflix's
# "Linux Performance Analysis in 60,000 Milliseconds"
#
# (http://techblog.netflix.com/2015/11/linux-performance-analysis-in-60s.html)
#
import subprocess
import datetime
import argparse

smallnest

...
func faviconHandler(w http.ResponseWriter, r *http.Request) {
	http.ServeFile(w, r, "relative/path/to/favicon.ico")
}
...
func main() {
  http.HandleFunc("/favicon.ico", faviconHandler)
}

smallnest

$ go tool dist list
android/386
android/amd64
android/arm
android/arm64
darwin/386
darwin/amd64
darwin/arm
darwin/arm64
dragonfly/amd64

smallnest

# --------
# Hardware
# --------

# Opcode - operational code
# Assebly mnemonic - abbreviation for an operation

# Instruction Code Format (IA-32)
# - Optional instruction prefix
# - Operational code

smallnest

bpf filter: "ip"
(000) ldh      [12]
(001) jeq      #0x800           jt 2	jf 3
(002) ret      #96
(003) ret      #0


(000) ldh      [12]
  Load half word at packet offset 12
   Offset 12 is the eth type.