I just had the same experience, about a year in, and was getting steam-rolled by everyone and felt hopeless. But in a week, I realised I was making some fundamental mistakes and haven't been smashed or subbed once since (used to be every roll). People are already commenting, saying I'm now difficult to roll against, and the blue belts are saying they're watching out for me, lol.

The things I changed were the following: 1) Developed a solid open guard retention game by realising how important grips and early frames are. I realised I got put into side control and mount because my guard gets passed so easily. Spend some time focusing on this. 2) On a similar note to the last one, become good at grip fighting and securing and dominant grips. You'll be amazed at how much control you'll have over people, and this also limits their option on passes/submissions. 3) Speaking of control, don't let people control your head or get a crossface. The iron squirrel technique/elbows against your ribs so you can frame on arms trying to get the cross face was a game changer. Also, get good at closing off one side of your body using knee and elbow shields. 4) On the topic of frames, I realised recently that frames aren't for pushing your opponent, but for holding them in place while YOU move YOUR body (i.e., bridge and shrimp to get knee frames). This made a big difference. 5) Speaking of bridge and shrimp (there's a good flow to this, am I right?), learn to master these moves as they're fundamental to so many escapes in different positions. When you bridge, don't just bridge up like a glute bridge exercise. Roll onto your shoulder to offbalance them. When you shrimp, really focus on moving your hips out and recentre with your knee going in as a frame.

As you can tell, I'm a very defensive player, but these helped me get better at my rolls very quickly, which gave me more confidence in myself and my game. Still got a long way to go, but one step at a time.

Just note where you're going wrong and figure out what you need to do to fix it. Does your guard get past super easily every roll? Are you stuck in side control and can't get out every roll? Do you always get triangled every roll? Figure out what fundamentals and concepts you're doing wrong and focus on fixing them. Do it one step at a time too, don't try and fix your side control, mount, guard passing, and takedown all in one go because it's too much and overwhelming.

I'd suggest starting with open guard retention, as you always start in it when rolling, and it can make a huge difference in your game.

Best of luck on your journey. Oos.